Amazing Images: The Best Science Photos of the Week

Here are the stories behind the most amazing images in the world of science this week. A recap of the coolest photos featured on Live Science.

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8 Things We Learned About Human Nature in 2016

This year, researchers have explored these questions and more, delivering fascinating insights into human nature. Here are eight of the most intriguing stories on human nature from this year.

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Universe May Have Lost 'Unstable' Dark Matter

How much dark matter has gone missing since the Big Bang? New research suggests anywhere from 2 to 5 percent.

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'New Year's Eve Comet' and More: Three Flybys Will Kick Off 2017 New Year

The "New Years' Eve Comet" that's been streaking across the sky this December isn't the only otherworldly visitor ringing in the New Year in Earth's neighborhood.

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Low Iron Levels May Be Linked to Hearing Loss

When people have low levels of iron in their blood, they may develop a condition called iron deficiency anemia, which is known to have wide-ranging effects throughout the body.

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NASA's Curiosity Rover Spots Purple Rocks on Mars

Mars may appear red when viewed from Earth, but NASA's Curiosity rover has captured an up-close photo of the planet's mountainous landscape, and there are purple-colored rocks littered across the foreground.

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Magnetic-Field 'Avalanches' May Explain 'Alien Megastructure' Star

The darkening of a mysterious star, which might be due to "alien megastructures," according to some researchers' theories, might instead be due to avalanche-like magnetic activity within the star, a new study finds.

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Why Does the Sun Have Spots?

Explaining the source of sunspots is a pretty tough nut to crack.

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Earth Scientists Are Freaking Out. NASA Urges Calm.

Amid rumors and what-if scenarios, NASA tells researchers to "be a source of signal, not a source of noise."

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'Leap Second' Will Make New Year's Eve Just a Little Bit Longer

Time will tack hang for a second at the stroke of midnight tonight as an extra leap second is added to Coordinated Universal Time (UTC).

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Magnetic Supersense Could Inspire Ultrasensitive Prosthetic Limbs

A hairy electronic skin filled with teeny magnetic microwires could be used to give people with prosthetic limbs a sense of touch, or could even be used in robots to help them "feel" their surroundings.

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What Does 2017 Hold for Climate Change Policy?

The incoming Trump administration has signaled hostility toward climate science and policy.

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How's How 7 New Year's Eve Traditions Got Started

From smooching with a sweetie to blowing things up, here are the roots for six New Year’s Traditions.

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One Breath Into This Breathalyzer Can Diagnose 17 Diseases

A single breath into a newfangled breathalyzer is all doctors need to diagnose 17 different diseases, including lung cancer, irritable bowel syndrome and multiple sclerosis, a new study found.

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Health by the Numbers: 6 Key Findings from 2016

Are there more or fewer doctors than ever before? How many people are really smoking weed? Are people opting for the flu vaccine in greater numbers?

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Why Do We Celebrate New Year's on Jan. 1?

Though most people now celebrate the new year on Jan. 1, it wasn't always this way.

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Zika to Weed: 8 Huge Health Stories from 2016

From the elimination of measles in the U.S. to the advance of potential new treatments for Alzheimer's disease, 2016 was a jam-packed year for health news.

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CRISPR 'Kill' Switch Could Make Human Gene Editing Safer

A new viral protein could be used as an "off switch" for one of the most powerful and promising gene editing tools, potentially making it safer for human applications.

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Why It Pays to Be Vague When Negotiating Prices

In negotiating, is a more precise opening offer always better?

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Debbie Reynolds' Death: Can You Die of a Broken Heart?

Did Debbie Reynolds die of a broken heart?

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Climate Change Could Kill the World's Oldest Trees

The ancient bristlecone pine trees of California, the world's oldest trees, are in danger of becoming extinct thanks to climate change.

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Animal Sex: How Nine-Banded Armadillos Do It

Though nine-banded armadillos are solitary creatures, they do occasionally get together for some genital sniffing, tail wagging and clucking in order to have sex.

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Weird Clouds Linger on Saturn's Moon Titan

Mysterious, thin, wispy clouds hide under the hazy upper atmosphere of Saturn's largest moon, Titan. Interestingly, the elusive clouds are not visible in all images captured by the cameras aboard NASA's Cassini spacecraft.

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China's Lofty Space Ambitions Include 2018 Landing on Moon's Far Side

China's Information Office of the State Council on December 27 released an expansive white paper on that country's space activities in 2016, and projected looks at its space agenda in coming years.

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WWII-Era Spy Tech Could Make Ultra Secure Bank Cards

The Enigma machine's cipher technology featured in the Imitation Game movie will be used to generate codes more secure than those on the back of credit cards.

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Ancient Stone Bowl Unearthed in Jerusalem Perplexes Experts

It's unclear whether a mysterious 2,100-year-old stone bowl fragment recently unearthed in Jerusalem belonged to royalty or a commoner, the Israel Antiquities Authority (IAA) announced late last week.

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Northern Lights' Festive Show Captured in Stunning NASA Image

The night after the winter solstice, the skies over northern Canada were alight with the aurora borealis.

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Harbor Near Ancient Corinth Turned It Into a Trading Hotspot

When nautical visitors sailed into the ancient Grecian city of Lechaion, they would have first encountered a monumental entrance leading to several inland canals, all of which were connected to no fewer than four harbor basins, archaeologists said.

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Nice Try: Top 5 Retracted Science Studies of 2016

Our annual countdown of significant or otherwise humorous scientific retractions.

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Surreal Science: 9 Strange Health Findings from 2016

Science is weird – and a number of new findings during 2016 proved it.

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Coral Reefs Threatened By Climate Change, Studied From High Above | Video

"As much as one quarter of ocean species depend on coral reefs for food or shelter," according to NASA. Rising sea levels and temperatures threaten these important ecosystems, which also play an important role economically around the world.

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The Biggest Solved and Unsolved Mysteries of 2016

Hobbits were established to NOT be human, we learned what killed off an ancient, giant ape, but we still don't know what caused the "Wow!" signal nor what happened to Malaysian Flight 370.

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Long-Sought 'Attack' Signal in Type 1 Diabetes Identified

Type 1 diabetes may be triggered by distress signals sent out with cells from the pancreas, new research suggests.

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Photos: Incredible New Species Discovered in 2016

Would you like to cross paths with a hairy tarantula from Colombia or a Thai newt that looks like a "Star Trek" Klingon? If the answer is yes, you're in good company.

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Cheetahs Are Racing Toward Extinction

Only about 7,100 cheetahs remain in the world, and their numbers are declining quickly.

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100 Best Science Photos of the Year

From stunning animals like a dancing peacock spider, to ancient history, including a striking Etruscan sarcophagus in the shape of a woman’s face, to the plain bizarre, such as an ancient tattoo on a mummy’s neck, 2016 was full of great science images.

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The 7 Most Intriguing Diet and Weight-Loss Findings of 2016

Researchers who study diet and weight loss learned many things during 2016. Here are some of their most intriguing findings.

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Carrie Fisher's Death: What Happens When the Heart Stops Beating?

Carrie Fisher passed away today (Dec. 27) after suffering a heart attack while on a flight from London to Los Angeles on Dec. 23, People Magazine reports.

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Giant Dinosaur Discoveries of 2016

A fossilized dinosaur brain, a pregnant T. rex and a bloody preserved dino tail, among other finds, make 2016 one of the best years for paleontology buffs.

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The 16 Strangest Medical Cases of 2016

Here are Live Science's picks for the 16 strangest medical cases of 2016.

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Incredible Earth Pics Snapped From Space Station In 2016 | Video

The Earth Science and Remote Sensing Unit at NASA’s Johnson Space Center sifted through thousands of photos to deliver their top 16 of 2016. Astronauts aboard the International Space Station captured all of the breathtaking images.

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10 Crazy New Skills That Robots Picked Up in 2016

Here's a roundup of some of the coolest (or scariest, depending on how you feel) abilities machines added to their repertoire in the last year.

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The Year in Climate Change: 2016's Most Depressing Stories

2016 had some very depressing headlines regarding global warming and the planet's overall environmental health.

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Ancient Underwater Potato Garden Uncovered in Canada

Archaeologists discovered hundreds of Indian potatoes at a once-waterlogged prehistoric garden in British Columbia.

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Building 'Fantastic Beasts': How Artists Model Magical Creatures

Living animals provided 3D artists with inspiration for the magical creatures in "Fantastic Beasts."

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In Photos: A Bevy of Magical 'Fantastic Beasts'

The film "Fantastic Beasts and Where to Find Them" revisits the wizarding world of Harry Potter and spotlights the magical creatures that inhabit it.

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The 9 Biggest Archaeology Findings of 2016

From new Dead Sea Scrolls to the youngest mummy ever found in Egypt, to a 1,500-year-old stone complex the size of 200 American football fields to the tomb of Jesus, here's a look at the biggest archaeology stories of 2016.

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How to Jump-Start Your Exercise Routine in 2017

Live Science has pulled together the best studies and expert advice about exercise.

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How to Eat Healthy in 2017 (and Cut Sugar, Salt and Fat)

Want to eat healthier in the New Year? We can help. Live Science’s resolution is to make a healthier you in 2017. February’s goal is eating better.

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How to Lose Weight in 2017 (and Keep It Off for Good)

Want to lose weight in the New Year? We can help. Live Science’s resolution is to make a healthier you in 2017. January’s goal is weight loss.

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Why Is Santa Always White?

As the cultural diversity in the U.S. increases, scholars are exploring how to discuss with children issues of importance, like race and religion, through stories.

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Biggest Natural Disasters of 2016: Year of the Earthquake

Here are some of the headline-grabbing natural disasters that occurred this year.

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The 10 Strangest Science Stories of 2016

From glowworm mucous to the strange quantum behavior of light, here's the weird science of 2016.

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5,000-Year-Old Nativity Scene Found in Egypt

Ancient cave art in the Egyptian Sahara desert depicts two parents, a baby and a star in the east.

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Facts About Red Pandas

Red pandas are small mammals with long, fluffy tails and red and white markings. They are not related to giant pandas.

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Jamestown: Facts & History

Jamestown, founded in 1607, was the first successful permanent English settlement in what would become the United States.

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7 Tips for Moving Toward a More Plant-Based Diet

Whether you want to go full vegetarian, or simply include more plant-based foods in your diet, here are some tips that can help.

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UN Will Take on 'Killer Robots' in 2017

International pressure mounts for a preemptive ban on lethal autonomous weapons systems.

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Ammonia Detected in Earth's Atmosphere for First Time

In an unexpected first, researchers have discovered ammonia in the troposphere, Earth's lowest atmospheric layer, a new study finds.

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Why Do My Eyes Close When I Sneeze?

Is it a foregone conclusion that we can't help closing our eyes during a sneeze? Not quite, researchers say.

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Time of Death? Check the Body's 'Necrobiome'

It's a line you'll hear in almost any crime show after someone finds the body — the detective turns to the medical examiner and asks, "Time of death?"

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Bizarre Fish Are Deadly Deep-Sea Predators (And Twitter Stars)

Strangely shaped deep-sea fish have found an unexpected but appreciative audience on land.

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Weird Dinosaur Species Had Teeth Only in Youth

By the time they were 3 years old, ostrich-like dinosaurs called Limusaurus inextricabilis had lost all of their pointy teeth, and lived the rest of their lives as toothless beasts, a new study finds.

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First Gorilla Born in Captivity Turns 60 | Video

Meet Colo, the oldest gorilla in the world. The western lowland gorilla has lived all her life in Ohio's Columbus Zoo and Aquarium.

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What in the Whirled? Starfish Larvae Stir Up Algae Dinner

Starfish larvae churn water with food in mind.

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Colo, World's Oldest Gorilla, Turns 60 (Photos)

Born in 1956 at the Columbus Zoo and Aquarium, Colo, the oldest gorilla in the world, celebrates her 60th birthday on December 22, 2016.

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Happy Birthday, Colo! World's Oldest Gorilla Celebrates 60th

The first gorilla born in human care turned 60 years old on Dec. 22 at her home in the Columbus Zoo and Aquarium in Ohio.

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Baby 'Spiders' on Mars Expand Across Sand Dunes (Photos)

New images captured by NASA's Mars Reconnaissance Orbiter show small, erosion-carved cracks in Red Planet sand dunes. The features may be infant versions of similar-looking but larger Martian channel-networks that have been dubbed spiders.

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In Photos: 1.5-Ton Humanoid 'Robot'

Photos on Facebook and Instagram purport to show a humanoid robot 13 feet (4 meters) tall, weighing 1.5 tons, being developed in South Korea. Live Science could not confirm the veracity of the images.

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Viral Video Hoax: Towering Humanoid Robot Raises Questions

A video of a giant humanoid robot is exciting, but there are questions about its origins.

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What Are Biofilms?

Biofilms are slimy layers of microorganisms that stick to wet surfaces. They may cause up to 80 percent of infections.

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Baby's Feet Outside Mom's Uterus: Amazing Image Shows Rare Rupture

Just looking at this image might give the impression that this woman's baby literally kicked its feet right out of her uterus.

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Colorful Hawaiian Fish Named in Honor of President Obama

Next time he's vacationing in Hawaii, President Barack Obama might just bump into his new namesake: a pink, yellow and blue coral-reef fish that researchers have named in the president's honor.

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Mystery of 'Alien Megastructure' Star Testing Astronomers' Creativity

Astronomers may have to think a little harder to solve the mystery of Boyajian's star, whose strange dimming events over the past seven years have spawned talk of a possible "alien megastructure."

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Failed 'Blood Miracle' Forecasts Disaster in 2017

The blood of a martyred bishop failed to turn from solid to liquid after being shaken. Are we doomed?

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Lavish Carpet Fragments Recovered from 17th-Century Dutch Shipwreck

Divers have recovered fragments of a lavish silk-and-wool carpet at a 17th-century shipwreck off the coast of the Netherlands.

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Pot-Shop Employees Often Recommend Wrong Strain of Marijuana

The people who work at marijuana dispensaries have not know enough about marijuana to give accurate recommendations, a new survey finds.

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Are Wealthy People More Giving?

Wealth can generate a feeling of autonomy and self-sufficiency, which can lead people to focus on personal goals rather than the needs of others. That means rich people may be less giving than the poor.

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Starfish Larvae Churn Whirlpools With 100,000 Tiny Hairs

High-speed video reveals that starfish larvae create whirlpools to trap algae meals.

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What's Cookin'? Nothing, If You Were an Early Human

About a million years before steak tartare came into fashion, Europe's earliest humans were eating raw meat and uncooked plants. But their raw cuisine wasn't a trendy diet; rather, they had yet to use fire for cooking, a new study finds.

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Obama Bans Arctic Drilling Ahead of Trump Inauguration

The Obama administration put vast swaths of the Arctic and Atlantic oceans off limits to oil and gas drilling to protect marine life, address climate change and safeguard the areas from development after President-elect Donald Trump takes office.

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Ups & Downs: The Evolution of Elevators

The need to move things to the next level has been recognized for thousands of years.

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Winter Solstice: The Science of the Shortest Day of 2016

Winter officially kicks off Wednesday (Dec. 21), which marks the December solstice — the day with the fewest hours of sunlight of 2016. Here's why.

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Health Quiz: Test Your Knowledge on the Biggest Stories of 2016

How well did you follow health news in 2016? Test your knowledge with our 10-question quiz.

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The Longest Night: Do We Sleep Better on the Solstice?

The winter solstice is the longest night of the year. But will that extra time of darkness help you sleep better?

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Seafloor Robot Breaks World Record While Collecting Climate Data

The robot is the only of its kind, and the record it broke was its own.

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Photos: The Freakiest-Looking Fish

Some of the stranger finned creatures of the deep.

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Mysterious 'Ghost Shark' Found for 1st Time in Northern Hemisphere

An elusive "ghost shark" has come out of hiding, as video has captured footage of the fish — whose face looks as if it were stitched together in a Frankenstein-like manner — for the first time in the Northern Hemisphere.

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Mouthwash May Kill Gonorrhea Bacteria

The bacteria that cause gonorrhea can be found in a person's mouth — but killing them may be as simple as gargling with mouthwash, a new study from Australia finds.

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Bizarre Antimatter Emits Same Light As Regular Matter

For the first time, physicists have shown that atoms of antimatter appear to give off the same kind of light that atoms of regular matter do when illuminated with lasers, a new study finds.

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Anne Frank Wasn't Betrayed? New Research Could Rewrite History

Anne Frank and her family may have been discovered by accident.

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'Klingon Newt' and 'Ziggy Stardust' Snake: New Species Found in Asia

A "Klingon newt" and a "Ziggy Stardust" snake are two of 163 new species recently discovered in Southeast Asia.

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In Photos: Bizarre New Species Discoveries Include 'Klingon Newt'

The Greater Mekong region in Southeast Asia holds an incredible range of biodiversity, and new species found in 2015 include a "Ziggy Stardust" snake and a newt that resembles a Star Trek Klingon.

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Deaths from Fentanyl Overdoses Double in a Single Year

The number of people in the U.S. who died from an overdose of the opioid painkiller fentanyl more than doubled in just a single year, according to a new report.

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Facts About Echidnas

Echidnas are walking contradictions. They are mammals, but they lay eggs. They are described as long-beaked and short-beaked, but they don't have beaks in the traditional sense.

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Amazon: Earth's Mightiest River

The Amazon River is a massive, intricate water system. It is by far the mightiest river on Earth in terms of volume and width.

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Are Mars' Dark Streaks Really Evidence of Liquid Water?

The detection of hydrated salts within Mars’ intriguing, seasonally appearing dark streaks aren’t necessarily proof of liquid water, according to a new study.

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Space Junk Solution? Japan Would Use a Tether to Nab Debris & Destroy It

A new technology that would use a roughly half-mile-long tether to grab large pieces of space debris and dispose of them is being tested in space.

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Patients Treated by Female Docs Have Lower Risk of Death

f you're In the hospital, the gender of your doctor may matter.

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Dozens Dead in Siberia from Drinking Bath Oil: How Methanol Kills

Nearly 50 people died recently in a Siberian city after they drank bath oil as a substitute for alcohol. But why was the substance so deadly?

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Why Do Kids Believe in Santa Claus?

Most children are not likely to believe that fish live on the moon. What makes children accept some stories and be skeptical about others?

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Molten 'Jet Stream' Discovered Deep Inside Earth

A band of molten iron is churning slowly deep inside Earth, much in the same way as a jet stream, a new study finds.

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If an Asteroid Hits the Ocean, Does It Make a Tsunami? (Probably Not)

A complex computer simulation has modeled the impact of an asteroid in the ocean and the results may surprise you.

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Marijuana Use on the Rise Among Pregnant Women

Marijuana use among pregnant women in the U.S. increased by 62 percent from 2002 to 2014, a new study finds.

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8 Ways Animal Flight Inspires Drone Designs

How do scientists build better flying robots? They look to the natural world for inspiration.

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Your Giving Brain: Are Humans 'Hard-Wired' for Generosity?

Neuroscience suggests that people are predisposed to be more like Santa than Scrooge.

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Anxiety May Give Dogs Gray Hair

Just like human hair, dogs' fur can go gray if they're going through tough times, a new study finds.

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How to Search for Life on Mars

To aid in the search for life on Mars, people should look at the way primitive life on Earth modifies the environment around it.

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Losing Weight - How The Human Body 'Burns' Fat | Video

The body breaks fat down after it runs out of another energy source, sugar.

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Last Minute Gifts Ideas For 7- to 10-Year-Olds | Video

Live Science's Laura Geggel presents two fun-filled games that encourage logical thinking and spatial reasoning - Gravity Maze and Cool Circuits. Find out where to buy them and more in our guide for Educational Toys and Games for 7- to 10-Year-Olds

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Last Minute Gift Ideas For Infants And Toddlers | Video

Live Science's Laura Geggel showcases Fisher-Price Newborn-to-Toddler Play Gym, Play Dino and Busy Learner's Activity Cube. Find out where to buy them and more in our guide for Educational Toys and Games For Infant and Toddlers.

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'Nightmare' Superbug May Have Spread Outside Hospitals

Six people in Colorado recently became infected with a "nightmare" superbug that until now, has mostly been limited to people in hospitals.

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Could an Earthquake 'Invisibility Cloak' Shield Buildings from Damage?

Earthquake cloaks, made up of thousands of precisely drilled boreholes, could potentially deflect seismic waves from expensive infrastructure.

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Newfound Plant Named for Music Legend Jimi Hendrix

Music icon Jimi Hendrix is famous for his many songs, including "Purple Haze" and "The Wind Cries Mary," but now he'll also be remembered for an entirely different reason: Botanists have named a newfound species of rare, flowery succulent after him.

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New Flying Robots Take Cues From Airborne Animals

From navigating turbulence, to sleeping midflight, to soaring without a sound, animals' flight adaptations are helping scientists design better flying robots.

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MEL Chemistry Experiments - Gift Guide Pick For Middle-Schoolers | Video

MEL Chemistry is a next-generation series of chemistry experiments that arrive in the mail every month. Live Science's Mindy Weisberger explains and performs an experiment from the kit.

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Hundreds of Historic Texts Hidden in ISIS-Occupied Monastery

More than 400 ancient texts have been saved at the Mar Behnam monastery, a place that ISIS had occupied for more than two years.

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IBM's Watson Turns Its Computer Brain to NASA Research

IBM's question-answering whiz, the Watson computer system, is digging into aerospace research and data to help NASA answer questions on the frontier of spaceflight science and make crucial decisions in the moment during air travel.

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In Photos: Historic Texts Hidden in Christian Monastery in Iraq

A few weeks before the Islamic State group (also called ISIS) occupied the Mar Behnam monastery, a young priest hid more than 400 ancient texts behind a makeshift wall. Here's a look at the monastery and texts.

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'Very Dangerous' Powdered Gloves Banned for Doctors

At your next doctor's exam, one thing will be certain: Your physician won't be using powdered medical gloves.

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Winter Outlook 2017: What's the Forecast for Your Region?

Is the U.S. in for a bitterly cold winter or a bearable one? It all depends on where you live, according to a three-month outlook published by the U.S. Climate Prediction Center.

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Zap! 'Petrified Lightning' Could Reveal the Shocking Heat of the Strikes

Petrified lightning could provide insight into how much energy is produced during these shocking strikes.

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Axial Seamount Lava FLows Captured by ROV | Highlight Video

In August 2015, lava flows were captured by the Remotely Operated Vehicle Jason during the Axial Expedition 2015.

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Mysterious Mariana Trench Noise May Be Minke Whale Call | Video

Scientists now think that a a weird sound that was recorded in the Mariana Trench in the Western Pacific Ocean may be that of a minke whale, a type of baleen whale.

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How to Build a Death Star

A physicist tries to figure out if it's possible to build Star Wars' Death Star, the moon-size space station with a weapon powerful enough to destroy a planet.

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Mysterious Metallic Sound in the Mariana Trench Finally Identified

Around the deepest parts of the ocean, scientists eavesdropped on whale conversations.

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In Photos: Wild Creatures Inhabit Undersea Vent

Hairy-chested crabs and alien-looking worms festoon mineral chimneys along the seafloor, nourished by the sizzling-hot fluids gushing out from these "spires." Check out these amazing photos of the deep-sea animals.

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Hairy Crab and Other Bizarre Creatures Found at Deep-Sea 'Smoker'

Surprising connections emerge between the world's undersea vents, including the Jabberwocky vent.

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Photos: Take a Tour of the Spectacular Yosemite Valley

The Yosemite Valley's beautiful landscape of promontories, sheer walls, domes and waterfalls create some of the most scenic views anywhere in North America.

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Who Invented the Traffic Light?

The answer is not so simple, as several inventors came up with different designs around the same time.

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How Researchers Tapped into Brain Activity to Boost People's Confidence

There may be a way to tap into people's brain activity to boost their confidence, a new study suggests.

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Isaac Newton's Book Auctioned for Record-Setting $3.7 Million

A bound copy of Sir Isaac Newton's seminal book on mathematics and science was sold for $3.7 million, making it the most expensive printed scientific book ever sold at auction, according to Christie's.

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Water Ice Found On Dwarf Planet Ceres, Hidden in Permanent Shadow

Water ice exists on the surface of Ceres, new observations have confirmed. The water ice is harbored in regions on the surface of this massive asteroid that are permanently cloaked in shadow.

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What Does the Department of Energy Do, Really?

Assuming Rick Perry is confirmed as the new Secretary of Energy, he will face a paradox, as the DOE doesn't spend most of its resources on energy production. Here's what the department really does.

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'Mic'd Up' Underwater Volcano Offers Unique Glimpse of Submarine Eruptions

Last year's eruption of one of the most active submarine volcanoes is offering clues about these explosive processes, which could help scientists better understand volcanoes on land, including those that pose serious threats to humans.

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Denying Abortion Access May Harm Women's Mental Health

Abortions don't harm women's mental health, but being denied access to one might, a new study finds.

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Aging May Be Reversible: Researchers Rejuvenate Older Mice

Scientists have found a way to turn back the clock on cells, and mice given the treatment looked younger and had a longer lifespan.

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Glowworms Spit Out Urine Ingredient to Make Webs Sticky

Glowworms create dazzling threads to trap unsuspecting insects. And now, researchers think they may have found the secret ingredient in the worms' traps: urea from their guts.

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Earth's Biggest Diamonds May Form in Strange 'Metal Pools'

The world's largest, most valuable diamonds may be born in pockets of liquid metal located deep within the Earth, a new study finds.

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Imaging Advance May Soon Show Unborn Babies in 3D

Someday, a mother-to-be may be able to put on a virtual reality headset and get a clear, 360-degree look at her own fetus in the womb.

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Here's What Caused the New York City 'Zombie' Outbreak

An uncommon drug caused a "zombie" outbreak in a New York City neighborhood this past summer, and now a new report identifies the exact compound that the affected people took.

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For Goodness' Sake? Santa Delivers for Both Naughty and Nice Kids, Study Finds

It turns out that it's not whether kids are naughty or nice that determines if Santa pays them a visit on Christmas. Nor is it the distance that Santa needs to travel from the North Pole.

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Polar Vortex 2017 - What It Is and How Long It Will Last

A swirling mass of cold air usually stays parked at the poles, but sometimes that system can weaken, sending an Arctic blast southward into the U.S.

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Do Hair and Nails Keep Growing After a Person Dies?

It's all just one morbid optical illusion.

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Atacama Desert May Have Been Marshland When First Settlers Arrived

The Atacama Desert, the world's driest place outside of the poles, may have once harbored wetlands and lakes that allowed America's first settlers to colonize the continent.

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New Sea-Level Rise Projection Raises Threat to World's Coasts

About one-quarter of the world's population lives in coastal areas that will be unlivable by the year 2100 because of rising sea levels, researchers say.

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Cold War-Era Satellites Spy on Himalayan Glaciers

The Cold War may have ended decades ago, but spy satellites' data from that era are now being used for a new mission: tracking environmental change in the Himalayas.

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Alan Thicke's Death: How Do Heart Attacks Kill So Fast?

Why do some people survive heart attacks, while others don't?

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Is Climate Change Shrinking Glaciers? Likelihood Is 99 Percent

How likely is it that mountain glaciers' retreat is caused by climate change? About 99 percent likely, according to a new study.

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Real, Fake or Natural? Why Sweetener Type May Not Matter For Diet

The sweetener in your beverage makes little difference in terms of the overall calories you consume in a day, a new study suggests.

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Jingle Bytes? Artificial Intelligence Writes a Christmas Song

You might find yourself wishing for a silent night after you hear the first Christmas song written by artificial intelligence.

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62-Foot Wave Off Iceland Smashes World Record

A monstrous swell in the North Atlantic that rose up as high as a six-story building is now the world's tallest wave measured by a buoy, according to the World Meteorological Organization.

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Tiny Starfish Larva Mesmerizes in Award-Winning Video

A video showing whorls of water swirling around a tiny starfish larva earned the top prize in a Nikon competition.

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Tiny Predators Win Video Microscopy Contest | Video

A diverse range of miniscule organisms were big winners in the annual Nikon Small World in Motion Photomicrography Competition.

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'Slow Motion' Earthquake Put New Zealand at Risk for Another Temblor

The capital of New Zealand is primed for a major earthquake, thanks to the massive restructuring of stress on faults beneath the country.

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2016 ‘Arctic Report Card’ Gives Grim Evaluation

The global warming signal in the Arctic was stronger and more pronounced during 2016 than any other year.

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Boron Found On Mars For First Time By Curiosity Rover | Video

If its similar to boron found on Earth, it could potentially mean that there was habitable groundwater on ancient Mars. Patrick Gasda, a postdoctoral researcher from the Los Alamos National Laboratory explains the find.

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Antarctica Photos: Meltwater Lake Hidden Beneath the Ice

A meltwater lake under the ice on the Roi Baudouin ice sheet in East Antarctica suggests the area is more vulnerable to warming than previously expected.

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Mysterious 'Crater' in Antarctica Has Ominous Cause

A crater in Antarctica isn't from a meteorite but from melt.

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Giant Megalodon Shark Teeth May Have Inspired Mayan Monster Myths

Giant fossilized teeth from extinct megalodon sharks may have inspired portrayals of a primordial sea monster in Mesoamerican creation myths.

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In Photos: How Ancient Sharks and 'Sea Monsters' Inspired Mayan Myths

Sharks, both real and imagined, had an important place in the mythology of the ancient Maya.

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'Lucy' Species May Have Been Polygynous

The ancient relative of humanity dubbed "Lucy" may have been one of a harem of gals who mated with a single male, according to research that suggests her species was polygynous.

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Hundreds of Scientists Rally to Protect Climate Science

Hundreds of scientists rallied in support of science at the American Geophysical Union meeting here in San Francisco.

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Facts About Pangolins

Pangolins, also called scaly anteaters, are covered in hard, armor-like scales. These mammals are one of the most trafficked mammals in Asia and Africa, and are endangered.

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Asparagus Pee? Why Only Some People Smell It

A new study reveals more than 800 new reasons why some people can't smell the characteristic scent of asparagus compounds in urine.

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'Pokémon Go' Got Players Moving for 6 Weeks…Then Fizzled

Playing "Pokémon Go" really does get people to walk more, but the effects appear to be short-lived, a new study suggests.

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Ice Watch: Glacier Survey Reveals How Glaciers Creep and Crawl

Though they appear to be frozen giants, glaciers and ice sheets can move and change in unexpected ways over time.

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Teen Use of Many Drugs Drops to Record Lows

Teen use of many illegal and legal drugs — including ecstasy, cocaine, alcohol and tobacco — is now at record lows.

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Sounding the Alarm: Comets Pose Threat to Earth, Too

If your death-from-above musings focus solely on asteroids, you need to broaden your mind. Comets pose a serious risk as well, researchers say.

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Rick Perry Tapped to Run Energy Agency He Vowed to Kill

President-elect Trump has tapped former Texas Gov. Rick Perry to run the U.S. Department of Energy.

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Syrian Refugees Flee from War...and Into Risky Earthquake Areas

Syrian refugees have fled across the border into Turkey, but they may face a new risk from earthquakes, research suggests.

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Excavations of Greek 'Village' Reveal Ancient Metropolis

Greek ruins turn out to conceal an ancient urban area.

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Fact: Burning Fossil Fuels Creates Heat-Trapping Gas - Now Watch It Move | Video

Human activities on Earth, such as burning fossil fuels to create energy to run cars, power plants and more, have contributed greatly to the amount of carbon dioxide (CO2) in the atmosphere.

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Older But Wiser: Why Risky Behavior Declines with Age

Researchers find that a decrease in gray matter in aging brains could explain why older people take fewer risks than younger people.

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Leading Causes of Death in US Vary Greatly by Region

The rates at which people in the U.S die from different factors vary significantly among the regions of the country, according to a new study.

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What Is Consciousness? Physicists Look for Answers

Renowned physicist Edward Witten recently suggested that consciousness might forever remain a mystery. But his words haven't discouraged other physicists from trying to unravel it.

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Forget Selfie Sticks: This Drone Captures Photos and Videos in Midair

Instead of extending your arm or using a selfie stick to snap shots of you and your crew, you could use a new pocket-size drone — dubbed the "AirSelfie" — to help you remotely capture aerial photos and videos.

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Rudolph Is Shrinking: Climate Change Is Starving Santa's Reindeer

Reindeer are shrinking, and it's not because they're on a diet for the holidays. Rather, climate change is making it difficult for them — and their gestating fetuses — to survive extreme winters, new research shows.

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Could a Limestone Sunshade Cool the Planet?

Injecting calcite particles into the stratosphere could repair the ozone hole and slow climate change, but experts say carbon cuts and new tech are needed instead.

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Hat-Shaped Spider Named for Magical Character in 'Harry Potter'

A new leaf-mimicking spider species resembles the Sorting Hat from the Harry Potter books.

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Underwater Hebrew Tablet Reveals Biblical-Era Ruler of Judea

A huge slab discovered offshore in Israel has revealed the name of the ancient prefect who ruled Judea just before the Bar Kokhba revolt.

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Santa's Reindeer Feel the Heat as Numbers Shrink Worldwide

Reindeer, mountain lions, deer and polar bears may all be feeling the pinch as the planet warms, new research suggests.

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New Test Could Improve Diagnosis of Rare, Fatal Brain Disorder

Creutzfeldt-Jakob disease is a rare brain disorder that is challenging to diagnosis, but a new test could help.

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Extinction-Level Superflares May Blast Earth's Nearest Exoplanet Proxima b

The recent discovery of a planet around the star closest to the sun has raised hopes that life might exist there, but researchers now find that this world might frequently experience extinction-level "superflares" from its star.

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World's Oldest Wild Breeding Bird Is Expecting Her 41st Chick

Forget about the stork — it's the albatross that should be in charge of baby delivery. The world's oldest wild breeding bird mother, a 66-year-old albatross named Wisdom, is incubating another egg, likely her 41st one, experts say.

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What Doomed Franklin's Polar Expedition? Thumbnail Holds Clue

Zinc deficiency, not lead poisoning, may have been a major factor in the declining health of the crew on the deadly 19th-century Arctic voyage.

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No Need to Delay Getting Pregnant After Miscarriage, Study Suggests

Conception within six months of a miscarriage appears no riskier than waiting longer to get pregnant.

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That's No Supernova! It's A Black Hole Shredding A Star | Video

In 2015, the All Sky Automated Survey for SuperNovae (ASAS-SN) detected what was characterized as a "superluminous supernova," the brightest ever detected. After further review, a supermassive black hole swallowing a star may be the culprit.

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ISIS May Face War-Crime Charges for Destruction of Historic Sites

Some ISIS fighters are surrendering, reports suggest, and they may be tried for charges of war crimes, legal experts say.

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In Photos: The Destruction of Iraq Heritage Sites by ISIS

Images reveal the destruction that ISIS members have wreaked on Iraqi sites, including the Assyrian city of Nimrud and Hatra. Those fighters may face war crime charges for their actions.

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Benefits of 'Kangaroo Mother Care': Do They Last?

Parents are often told to hold their newborns close to them, in contact with their skin, for as much time as they can. But does this "kangaroo care" really help babies?

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1 in 6 Americans Takes a Psychiatric Drug

One in six adults reported taking a psychiatric drug, such as an antidepressant or a sedative, in 2013, a new study finds.

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Ancient Marsupial Relative May Have Eaten Little Dinosaurs

An ancient mammal the size of a badger may have used its bone-crushing canines and powerful bite to take down little dinosaurs, researchers have found. In fact, the little guy could chomp with more force, pound for pound, than any other mammal on record.

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Age-Old Problem: River in Jordan Polluted by Copper 7,000 Years Ago

The first river polluted by humanity may have been discovered in Jordan, contaminated by copper about 7,000 years ago, a new study finds.

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Flexible Film Captures Energy from Motion

The material generates a voltage when it's pressed or squeezed and each time it's folded, the voltage increases exponentially.

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Why Don't Monkeys Talk Like Us?

You just can't unhear new recordings showing what monkey speech would sound like if a human brain were in control.

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Trump Chooses Climate Denier for Secretary of Interior

U.S. Rep. Cathy McMorris Rodgers has been nominated by President-elect Donald Trump for Secretary of Interior.

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Smallpox Found in Lithuanian Mummy Could Rewrite Virus' History

The mummy of a child discovered in a crypt beneath a Lithuanian church harbors the oldest sample found to date of the virus that causes smallpox, a new report said.

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Dying Star Offers Glimpse of Earth's Doomsday in 5B Years

L2 Puppis is a dying star that once resembled our sun and it is showing us the stellar inferno that lies in store for our planet.

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Rare Elizabethkingia Infections: Report Suggests More Than 1 Source

Exactly how 10 people in Illinois became infected with Elizabethkingia is still a mystery, but a new report finds that there were likely multiple sources for the infections.

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Photos: Ancient Inscriptions Tell of Assyrian King Ashurnasirpal II

Here's a look at a number of artifacts with inscriptions that have survived the destruction of the ancient Assyrian city of Nimrud by the terrorist group ISIL.

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Inscription About Ancient 'Monkey Colony' Survives ISIL Attacks

Several artifacts with inscriptions survived in the ancient Assyrian city of Nimrud, after the terrorist group ISIL destroyed the site. One inscription tells of King Ashurnasirpal II's monkey colony.

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Spoiler Alert: Artificial Intelligence Can Predict How Scenes Will Play Out

A new artificial intelligence system can take still images and generate short videos that simulate what happens next similar to how humans can visually imagine how a scene will evolve, according to a new study.

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Mystery Solved! Cause of London's 1952 'Killer Fog' Revealed

Despite the death of thousands, the killer fog has largely remained a mystery for decades.

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Having Family for Dinner: 'Cannibalism' Author Dishes

"Perfectly natural?" The author of a new book about cannibalism talks about this fascinating topic.

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'Star in a Jar' Fusion Reactor Works and Promises Infinite Energy

New tests verify that Germany's Wendelstein 7-X fusion energy device is on track to safely suspend plasma in magnetic fields.

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Early Marsupial Relative’s Powerful Bite Could Kill Little Dinosaurs | Video

A tough, extinct critter that lived during the dinosaur age had the most powerful bite force ever recorded in a mammal. Its bite force was so strong, it likely had no problem eating little dinosaurs.

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Saturn's Weird Hexagon Seen Through Multiple Filters, Set To Techno | Video

NASA's Cassini mission has captured new imagery of the the unusual cloud pattern in the northern hemisphere. The camera filters used by the spacecraft are "sensitive to violet , red , near-infrared and infrared.

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Watch John Glenn's Historic Friendship 7 Launch | Video

On February 20, 1962, John Glenn became the first American to orbit the planet Earth. He went on to become a United States senator and flew to space again on the Space Shuttle STS-95 mission.

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Ancient Space Dust Washes Up in Rooftop Gutters

Microscopic particles from space have been collecting in the gutters of Paris, Oslo and Berlin, revealing incredible insights to the mysteries of our solar system.

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Why Do We Fall for Fake News?

People fall for fake news because they don't value journalistic sources and consider themselves and their friends as credible news sources, says one researcher.

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Culprit of Deadly Tibet Avalanche: Climate Change

An avalanche of ice that killed nine in western Tibet may be a sign that climate change has come to the region, a new study finds.

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ChooseMyPlate: Tools & Resources for Healthier Diet

The U.S. government's Dietary Guidelines for Americans offers recommendations on food and nutrition. ChooseMyPlate.gov provides tools to help set dietary goals.

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Does Marijuana Use Affect a Person's Vision?

Regular marijuana use may affect how well certain cells in the eye work, a small new study finds.

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Conjoined Twin Girls Successfully Separated

Conjoined twin girls who shared much of their lower body were successfully separated after a surgery that took 17 hours.

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John Glenn, First American to Orbit the Earth, Dies at 95

John Glenn, one of NASA's first seven astronauts and the first American to orbit the Earth, has died. He was 95.

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Fungal Infection Causes Swirling, 'Maze-Like' Rash

Fungal infections can show up in some pretty unusual ways, and a neat, "maze-like" pattern of concentric rings on the skin is one of them

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Mars' Mawrth Vallis - Fly Over Where Water Once Flowed | Video

The outflow channel is ~373 miles long (600 km) and about 1.2 miles deep 2 km). The indicators of liquid water in the past have made this area a landing site candidate for the ExoMars 2020 mission.

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Plague Strikes 6 Cats in Idaho

Half a dozen pet cats in Idaho were infected with plague this year, according to a new report of the cases.

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Photos: Amber Trap Nabs Feathered Dinosaur Tail

The feathered tail of a small dinosaur is preserved in amber in astonishing detail.

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Feathered Dinosaur Lost Its Tail in Sticky Trap 99 Million Years Ago

About 99 million years ago, an unlucky juvenile dinosaur wandered into a sticky trap and sacrificed a chunk of its tail.

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How to Give Better Gifts, According to Science

Researchers have investigated exactly what makes a bad gift and the reasons why people buy such presents in the first place.

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Giraffes Are Threatened with Extinction

Giraffe populations have taken a nose dive, leading to their new designation as "threatened with extinction," by the International Union for Conservation of Nature.

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255-Million-Year-Old Tumor Discovered in Ancient Mammal Relative | Video

The fossilized jawbone of a gorgonopsid, a distant and ancient modern mammal relative, contains a 255-million-year-old tumor.

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255-Million-Year-Old Tumor is Oldest of its Kind

A tiny tumor likely caused a big toothache 255 million years ago for an animal called a gorgonopsian.

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Forget About the Road. Why Are Chickens So Bad at Flying?

Chickens may have wings and fluffy feathers, but they're fairly dismal fliers, often going airborne for only a few yards before landing.

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Trump Picks Strident Foe of EPA to Lead the EPA

Oklahoma's attorney general and a champion of the oil and gas industry will run the the Environmental Protection Agency — the federal office that enforces nearly all laws that protect America's air and water.

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Rump Recognition: Chimps Remember Butts Same as Faces

Are chimps experts at recognizing butts?

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Historic Iraq Sites Reclaimed in Mosul Offensive

A military offensive to take back the city of Mosul, Iraq, from the terrorist group ISIL has also resulted in the retaking of several historic sites that ISIL destroyed and looted.

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Will Artificial Intelligence Be the Next Einstein?

Artificial Intelligence could soon be used to help scientists form hypothesis and direct which experiments they perform.

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What Is the MIND Diet?

The MIND diet is designed to lower the risk of Alzheimer's disease by promoting a diet consisting of brain-healthy foods.

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Facts About Plutonium

Properties, sources and uses of the element plutonium.

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Unfrozen: Greenland Was Once Ice-Free for 280,000 Years

Greenland's ice shrank dramatically in the past — and could disappear again.

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The Universe Is Flat — Now What?

Spoiler alert: the universe is flat.

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Optimistic Outlook May Lower Women's Risk of Dying

Women with an optimistic outlook on life may live longer, a new study finds.

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Can a Chemotherapy Drug 'Turn Back the Clock' in Women's Ovaries?

Women undergoing a particular chemotherapy had a much greater number of eggs in their ovaries than expected, a finding that surprised researchers.

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California's Long Drought Has Killed 100 Million Trees

California’s trees are dying at an alarming rate.

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Secret Spies, Sunken Ships: 9 Pearl Harbor Mysteries Explained

Although decades have passed since the Japanese attack on Pearl Harbor, many details of the event remain shrouded in mystery and debate.

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What Is a 'Self'? Here Are All the Possibilities

At one extreme, the self is a made-up construct arising from our complex brains. At the other, the self is a soul or spirit that can survive death.

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Lady Gaga and PTSD: 5 Misconceptions About the Disorder

Lady Gaga recently revealed on the "Today" show that she has post-traumatic stress disorder.

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Legal Pot Farmers Hope to Grow a Green Energy Revolution

Electricity-intensive cannabis production has a big carbon footprint, but with legalization, some eco-conscious growers want to make pot a shining model of sustainability.

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Does Your Doctor Need to Show More Empathy?

Instead of being urged to simply "be more compassionate," doctors should learn specific empathy skills during their training, one doctor argues.

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Brain Gain: Aerobic Exercise Pumps Up Gray Matter

Exercising aerobically may lead to changes in the size of certain parts of your brain, a new study finds.

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Background Checks May Lower School Shootings: Study

Requiring background checks does indeed make school shootings less likely, a new study finds.

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Decrypting the Japanese Cipher Couldn't Prevent Pearl Harbor

Purple, Magic failed to give enough warning.

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Monks Buried Brethren Beneath Britain's Earliest Monastery

More than 1,400 years ago, monks buried their male brethren — as well as one woman who was likely a nun — beneath what is the earliest known monastery on record in the British Isles, new research shows.

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Slowing of Earth's Spin Revealed in Ancient Astronomers' Tablets

Records dating back to clay tablets from 720 B.C. reveal that the slowing of the Earth's rotation isn't as large as expected.

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Facts About Trans Fats

Trans fats, created by adding hydrogen to vegetable oil, are considered unhealthy. The FDA has ordered companies to remove partially hydrogenated oils from their food products by June 2018.

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Mexico-Size Chunk of Ice Missing from the Arctic

Skyrocketing Arctic temperatures, which are rising twice as fast as the global average, have set off a downward spiral in sea ice levels.

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Don't Drowse and Drive: Sleepiness as Risky as DUI

Even with holiday travel approaching, it's important to get enough sleep before getting behind the wheel: Missing 1 or 2 hours of sleep nearly doubles a person's risk for a car crash, a new report finds.

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Jumping Robots Mimic Adorable Big-Eyed Primates

A jumping robot — whose design was inspired by small primates known as bush babies — can spring off walls to gain height faster than any previous robot and could one day help rapidly scan urban disaster zones, researchers say.

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2,000-Year-Old Roman Skeletons Show Signs of Malaria

Malaria afflicted the Roman Empire some 2,000 years ago, according to a new analysis of human teeth collected in Italian cemeteries.

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Behemoth Antarctic Ice Rift Is 70 Miles Long

A starkly beautiful aerial image shows a 70-mile-long crack in Antarctica's Larsen C ice shelf.

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New Robot Can Leap In Air, Spring Off Wall | Video

The new robot, Salto (saltatorial locomotion on terrain obstacles), now "holds the record for highest robotic vertical jumping agility ever recorded," according to roboticists who created it at UC Berkeley.

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Fingernails on a Chalkboard: Why This Sound Gives You the Shivers

If you're like most people, you probably can't stand the sound of fingernails scraping across a blackboard.

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Best & Worst States for Older Adults' Well-Being: The Full List

A new poll surveyed older Americans on several aspects of well-being.

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Golden Years: Americans Get Happier in Older Age

There is an upside to aging: Older Americans tend to be happier, according to a new poll.

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This Tiny Electronic Chip Is Just 3 Atoms Thick

A tiny electronic chip just three atoms thick could yield advanced circuits that are powerful, flexible and transparent, researchers said in a new study.

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Some Football Positions Linked to High Blood Pressure

It might not be obvious to those who spend Saturdays cheering on their alma mater on the gridiron, but playing college football is linked to changes that negatively affect the heart.

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How Humans Lost Their Tail, Twice

Humans can't seem to keep a tail, suggests new research that finds our early ancestors lost tails not just once, but twice.

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Humpback Whales 'Mug' Boat in South Pacific (Video)

Humpback whales engage in a behavior called mugging in new aerial footage.

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Pearl Harbor Subs: See Underwater Graves in Live-Stream Dives

The public can see an underwater live stream of two Japanese submarines resting at the bottom of the Pacific, 75 years after the attack on Pearl Harbor.

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How Lasers and a Goggle-Wearing Parrot Could Aid Flying Robot Designs

A parrot wears tiny, red-tinted goggles and flaps through laser-lit airborne particles to test computer models that explain how animals fly — and shows that there’s room for improvement.

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Pubic Hair Grooming May Raise STI Risk

People who trim "down there" may face an increased risk of infections, researchers said, although its not clear why.

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Photos: Ice-Age Animal Skull Unearthed During LA Subway Construction

The skull of a large Probiscidean, such as a mammoth or a mastodon, was recently unearthed while construction workers were digging a new line to the Los Angeles Metro.

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MDMA for PTSD? How Ecstasy Ingredient Works in the Brain

The active ingredient in the drug ecstasy will be studied in large-scale clinical trials for the treatment of PTSD.

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Mammoth Mammal Fossils Found at Site of LA Subway Dig

Workers with the Los Angeles Metro who were digging a new subway tunnel found fossils from a mammoth or a mastodon.

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2 Million Pounds of Ready-to-Eat Chicken Recalled: Here's Why It's Risky

About 2 million pounds of ready-to-eat chicken products have been recalled. Here's why the products may be risky to consume.

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Black Death 'Plague Pit' with 48 Skeletons Is 'Extremely Rare' Find

A Black Death burial pit was found at 14th-century monastery hospital.

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Staying Well: A Guide to Flu Season When You're Pregnant

Here's what pregnant women need to know about flu season.

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All Human-Made Objects on Earth Amount to 30 Trillion Tons

Pile up all of the human-made structures on the planet — from skyscrapers to cell phones — and it’d weigh in at approximately 30 million metric tons, according to a new study.

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Why Do Our Feet Smell Worse in the Winter?

Do you think foot odor is a worse problem in the summer or the winter? Summer seems like the common sense answer, but the opposite is true.

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What Tangled Web: Galaxy's Messy 'Threads' Star in New Pic

A striking new image from the Hubble Space Telescope captures an extremely detailed view of the galaxy NGC 4696 and the tangled, thread-like filaments stretching from its bright galactic core.

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3D-Print Your Laugh and Launch It Into Space

Are you a chortler? What about guffaws, giggles or hyena laughs? If you have the best laugh, whatever the joyful sound, it could end up getting turned into a 3D-printed sculpture sent into space.

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'Mythical' Sea Blob Finally Spotted a Century After Its Discovery

A mysterious giant sea blob whose very existence was questioned has been rediscovered a century after its first sighting.

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SpaceShipTwo 'Unity' Flies Solo For First Time | Video

The Virgin Galactic suborbital vehicle entered its second phase of testing on Dec. 3, 2016. It was released from its WhiteKnightTwo mothership and glided back down to the Mojave Air and Space Port in California after 10 minutes of flight.

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In Photos: Gorgeous Sea Blob in Monterey Bay

A larvacean with a giant mucus house glides through the water, filtering out goodies to snack on.

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The Most Interesting Science News Articles of the Week

Here are the most interesting, amazing and unusual things that happened in the world of science this week. A recap of Live Science's best.

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Marijuana Extract May Help Treat Severe Epilepsy, New Studies Show

A compound found in marijuana may help reduce seizures in people with some types of epilepsy, new research suggests.

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Amazing Images: The Best Science Photos of the Week

Here are the stories behind the most amazing images in the world of science this week. A recap of the coolest photos featured on Live Science.

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Congressional Tweet About 'Disgraceful' Article Ignores Science

An article casting doubt on climate change that was promoted in a tweet from the U.S. House of Representatives' science committee is "extremely misleading" and "disgraceful," climate scientists told Live Science.

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Reel Big: 112-Pound Catfish Caught in North Carolina

A man caught and released a massive catfish, just 5 lbs. shy of the state record.

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Flying Robotic Ambulance Completes First Solo Test Flight

A new automated, flying ambulance completed its first solo flight, offering a potential solution for challenging search and rescue missions.

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In Rare Disorder, Woman's Immune System Attacks Her Own Brain

A young woman's weeklong bout of "strange behavior" was caused by a rare disease in which the immune system attacks the brain, according to a new report of the woman's case.

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Lack of Sun in Teen Years Linked to Nearsightedness Later On

People who get less sunlight during their teenage and young adult years may face an increased risk of becoming nearsighted later on.

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Tornado Cluster Sizes Skyrocket, and No One Knows Why

Tornados are behaving strangely: The number of tornado outbreaks per year is fairly constant, but the number of tornados per outbreak has skyrocketed. And scientists aren't entirely sure why.

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Stolen Mummy Hand Makes Its Way Home

Illegally smuggled artifacts, including a mummy hand, were returned to Egyptian authorities.

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Operation Mummy's Curse: Photos of Smuggled Artifacts

Five ancient artifacts that had been smuggled into the United States were returned to Egyptian authorities this week. U.S. officials recovered the cultural objects in an investigation called "Operation Mummy’s Curse."

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Photos: Rare Diamonds Make US Debut at LA Natural History Museum

Rare and colorful gems, including an extremely rare pink diamond and the stunning Argyle Violet Diamond, are making their U.S. debut at the Natural History Museum of Los Angeles County.

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Stellar 'Circle of Life' Captured in New NASA Photo

The life cycle of stars comes full circle in a new photo taken by NASA's Chandra X-ray Observatory and the Smithsonian's Submillimeter Array (SMA), which may reveal new clues for studying star evolution.

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Book Excerpt: 'Are Numbers Real?' (US 2016)

In "Are Numbers Real?," author Brian Clegg explores the way that math has become more and more detached from reality, and yet despite this is driving the development of modern physics.

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Diabetes in America: Full List of State Rankings

A new U.S. survey looks at the rate of diabetes in each state.

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Here Are the States with the Lowest & Highest Diabetes Rates

Diabetes is on the rise in the United States, and a new poll looks at where the disease is most and least common.

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Bipedal Human Ancestor 'Lucy' Was a Tree Climber, Too

CT scans of "Lucy," a human ancestor that lived 3 million years ago, reveal evidence in the structure of her bones that suggests she climbed trees as well as a walked on the ground.

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Doting Daddy Spiders Do the Housekeeping

South American spider males are the only known solitary spider to engage in paternal care.

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Fly Over Martian Chasms and Craters Through ExoMars Orbiter's Lens | Video

The first images from the European Space Agency mission's Color and Stereo Surface Imaging System (CaSSIS) have been stitched together to show parts of Mars' Arisa Chasmata, Noctis Labyrinthus and more.

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Cygnus X-3 System's 'Little Friend' Is A Bok Globule - Most Distant Found Yet | Video

A gas cloud "Little Friend" that is likely forming a new star has been observed in x-rays by the Chandra X-ray Observatory. It was determined to be a small, dense, and very cold cloud, which are the features of a Bok globule.

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Why Aspartame May Prevent Weight Loss

Researchers found how aspartame could be linked with a condition called metabolic syndrome.

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Herbal Tea Error Leads to ER Visit

A woman developed life-threatening symptoms after her attempt to use an herbal remedy for insomnia went awry.

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Facts About Oganesson (Element 118)

Properties, sources and uses of oganesson, Element 118, formerly called ununoctium.

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In Photos: Frozen Lakes in Winter

Scientists investigate icy lakes to track the growth of certain types of algae and zooplankton that thrive during the cold season, blooming under the lake's icy cover.

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1,000-Year-Old Viking Toolbox Found at Mysterious Danish Fortress

A Viking toolbox found in Denmark has been opened for the first time in 1,000 years, revealing an extraordinary set of iron hand tools that may have been used to make Viking ships and houses, according to archaeologists.

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Photos: Viking-Age Tools Uncovered at Ring-Shaped Fortress in Denmark

Archaeologists have discovered a 1,000-year-old set of iron tools at the Viking fortress of Borgring, on the island of Zeeland in eastern Denmark.

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Facts About Iridium

Properties, sources and uses of the element iridium.

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Facts About Tennessine (Element 117)

Properties, sources and uses of tennessine, element 117, formerly called ununseptium.

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Facts About Moscovium (Element 115)

Properties, sources and uses of moscovium, element 115, formerly called ununpentium.

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Facts About Nihonium (Element 113)

Properties, sources and uses of nihonium, element 113, formerly called ununtrium.

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How One Woman's UTI Remedy Put Her Life in the Balance

For women who have heard that drinking plenty of water can help prevent or treat a urinary tract infection, you may want to put down that extra glass.

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Bodybuilder Injects Coconut Oil, Damages Arm Muscle

Instead of just lifting weights, a bodybuilder in the U.K. tried to plump up his arm muscles and by injecting them with coconut oil.

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Human Ancestor 'Lucy' Was A Tree-Climber, Bone Scans Reveal | Video

“Lucy” was bipedal, but scientists have long debated whether she was a part-time tree dweller. New scans of her 3.18 million year old skeleton reveal internal structures in her bones that hint she frequently used her arms to climb trees.

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Russian Space Cargo Ship Destroyed in Failed Launch, Debris Burns Up

A Russian Progress 65 cargo ship fell back to Earth in pieces after a catastrophic launch failure, Russian space agency officials said Dec. 1, 2016.

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Sun 'Heat Bombs' Its Atmosphere, Evidence Found | Video

Solar physicists have been studying how the Sun's corona, which is 200 to 500 times hotter than the surface, with NASA's Interface Region Imaging Spectrograph (IRIS) mission.

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In Photos: The Mummy of Queen Nefertari of Egypt

The mummified legs and other remains of Queen Nefertari, one of Egypt's most famous queens, have been identified. Here's a look at the royal burial.

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Mystery Mummy Legs Belonged to Egyptian Queen Nefertari

Though "no absolute certainty exists," some mummified leg fragments probably belonged to one of Egypt's most famous queens.

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Could Dinosaurs Fly?

Some dinosaurs may not have been restricted to life on the ground and instead could have launched into the air for quick flights, researchers have found.

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Utah's Great Salt Lake Is Shrinking

This month, the lake reached its lowest recorded level.

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Royal 7th-Century Ship Burial Holds Rare 'Tar' Substance

A famous English ship burial contains a rare tar-like substance that comes from the Middle East.

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US Military Develops 'Multi-Object Kill Vehicle' to Blast Enemy Nukes

The new weapon is designed to find, track and destroy multiple enemy warheads — even if they are accompanied by decoys.

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2.5-Billion-Year-Old Fossils Predate Earth's Oxygen

New fossils provide a peek into deep ocean life before Earth had oxygen.

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4 New Superheavy Elements Have Official Names

The superheavy elements were named after regions on three continents, with one honoring a famous nuclear physicist.

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Underwater Stone Age Site Was Fisherman's Paradise

The archaeological discoveries indicate a semipermanent settlement.

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'Magic Mushrooms' Compound May Treat Depression in Cancer Patients

The hallucinogen found in "magic mushrooms" can considerably reduce the depression and anxiety felt by patients who have terminal or advanced cancer, according to new research.

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New American Divide: Organic Food and GMOs Spur Disagreement

Should you buy organic? Or avoid foods made with genetically modified ingredients? Americans are divided in their thinking on whether such choices are beneficial for their health, a new survey finds.

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The Mysterious Sex Lives of Hawaii's Endangered Yellow-Faced Bees

Everything scientists know about these bees' mating behaviors is based on anecdotal observations.

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What's the Real Potential of Fusion Energy?

Fusion development takes time. It cannot be developed in miniature and then be simply scaled up. But we must work now, to make it possible to meet humanity's need for abundant, clean energy, one scientist says.

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Getting Clean: The Science of Soap

Soap cleans by helping water spread across a surface and then surrounding the dirt so it can be wiped away.

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Testosterone Use May Increase Blood-Clot Risk Temporarily

Men who use prescription testosterone may face an increased risk of blood clots in the first six months of using the hormone.

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Scientists Pinpoint How to Calm Oklahoma's Human-Made Quakes

In 2015, due to underground pressure buildup from injections, earthquake activity in parts of Oklahoma increased 900-fold compared to past levels.

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Glowing Molecules Could Reveal Skin Cancer, Without a Biopsy

Patients could one day get their skin examined under a special microscope and, in just a few minutes, know whether they have cancer, a new study finds.

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1st Evidence of Strange Quantum Effect Possibly Seen in Empty Space

A strange quantum phenomenon predicted more than 80 years ago may have finally been observed in nature, thanks to a neutron star.

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Captain Cook's Notes Describe Now-Vanishing Arctic Ice Wall

Explorer's meticulous records describing the icy Arctic centuries ago have modern-day value, as a resource for scientists studying climate change.

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Quantum Effect Predicted In 1930s Possibly Observed For First Time | Video

The effect, called vacuum birefringence, comes from the theory of quantum electrodynamics (QED) and predicts that strong magnetic fields could polarize light in a vacuum.

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'Never Go to Bed Angry': Sleep Makes It Harder to Forget Bad Thoughts

People may be less able to suppress a negative memory after they sleep.

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Is the Smartphone Ruining Your Relationship?

Phone snubbing, or 'phubbing,' has become a real relationship downer.

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This All-Women Vertical Skydiving Formation Just Set a World Record

A group of 65 women jumped out of planes over the Arizona desert, diving headlong into a new record.

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US to Restrict Imports of Egyptian Artifacts

By banning Egyptian artifacts from entering the U.S., officials hope to curb widespread looting at ancient sites, which has led to the deaths of children and antiquities guards.

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Good Sports: Longer Lives Linked to Swimming, Racquetball

Certain sports may lower your risk of an early death more than others, a new study finds.

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Skip This Added Expense on Your Next Sun-Filled Vacation

Here's an extra expense you'll want to avoid if you take a tropical vacation this winter: a trip to the emergency room to treat a bad sunburn.

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Why Americans' Cholesterol Levels Are Improving

Americans' cholesterol levels are heading in the right direction, a new study finds.

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Photos: This Python Chowed Down on 3 Deer

A Burmese python treated the Florida Everglades like an all-you-can-eat buffet after it ate three deer in a mere three months, a new study finds.

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Ravenous 14-Foot Python Caught with 3 Deer in Its Gut

A Burmese python in the Everglades with a penchant for venison gulped down three whole deer — one doe and two fawns — before wildlife officials captured and euthanized it, a new study reveals.

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For Ants, a Kiss Is Not Just a Kiss…It's Communication

Talk about intimate communication. Researchers have found that ants pass along chemical signals with their nest mates by sharing saliva.

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In Images: The Mutilated Skeletons of Lapa do Santo

A cave in Brazil bears ancient skeletons that were mutilated, defleshed and burnt as part of extensive funeral rituals.

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Ancient Americans Mutilated Corpses in Funeral Rituals

An ancient burial site in Brazil harbors corpses that were mutilated, de-fleshed and burned before death as part of an elaborate burial ritual.

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Stashed Cash: Rare Ming Dynasty Banknote Found Inside Chinese Sculpture

Art experts in Australia have found a rare paper banknote from the Ming Dynasty of Imperial China hidden inside an antique wooden sculpture that was being prepared for auction.

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Photos: Rare Ancient Banknote Dates Back to China's Ming Dynasty

A rare banknote that dates back to China's Ming Dynasty was found inside an antique wooden sculpture.

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Lookin' Good, Mars! ExoMars' First High-Res Photos Are Incredible

Behold! The European Space Agency's new Mars orbiter just sent back its first high-resolution images of the Red Planet, and the view is amazing.

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The Nile: Longest River in the World

The Nile River is considered the longest river in the world, but its actual length is a matter of debate.

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Pooping in a Spacesuit Is As Complicated As It Sounds

NASA needs you to rise to the Space Poop Challenge and help its astronauts go where no astronaut has gone before.

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Spiritual Mind: What a Religious Experience Looks Like in the Brain

Spiritual feelings may activate the same areas of the brain as other rewarding and pleasurable experiences, like love, sex and drugs.

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Antarctic Ice Shelf Could Collapse Within 100 Years, Study Finds

The West Antarctic Ice Sheet is melting from the inside out, which could lead to worldwide coastal flooding.

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Is The Secret to Old Age Raw Eggs? World's Oldest Person Says Yes

The oldest person in the world — who celebrated her 117th birthday today (Nov. 29) — swears by her diet which includes two raw eggs a day, Yahoo News reported.

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Gatlinburg Burning: How a Tennessee Wildfire Spread So Fast

Winds threaten to spread wildfires in Tennessee before relief from rain comes after midnight.

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Does Bath Salt Drug 'Flakka' Really Turn You Into a Zombie?

Flakka was believed to be behind two cannibalistic attacks in Florida that left one man blind and a married couple dead. It wasn't so. Here's why we need facts, not myths, about dangerous drugs, says one scientist.

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Surprise! Life Thrives Under Ice-Covered Lakes

Under surface ice in frozen freshwater lakes, certain forms of life are far more active than scientists suspected.

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New Pyramid in Antarctica? Not Quite, Say Geologists

An Antarctic mountain with a unique, pyramid-like shape is suddenly internet-famous, with theorists contemplating its origin. Some are wondering whether an ancient civilization created it, and others are speculating about the involvement of aliens.

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Stash of Water May Be Lurking Deep Beneath Earth's Surface

A trove of water locked up in the mineral brucite may be hiding out more than 250 miles beneath Earth's surface, geoscientists have found.

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Calf Bones Bolster Evidence Plymouth Settlement Was Pilgrims' First

A calf named Constance offers evidence of the Pilgrims' original settlement.

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Terracotta Warriors: An Army for the Afterlife

Thousands of terracotta soldiers stand ready for battle near the tomb of China's first emperor.

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Facts About Selenium

Properties, sources and uses of the element selenium, including information about selenium-rich foods.

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New HIV Vaccine Study Starts in South Africa

A new HIV vaccine is now being tested in South Africa in a study that aims to enroll several thousand people, officials announced today.

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Why Your Balance Gets Worse After 40

The system in your body that helps you keep your balance goes downhill after age 40, a new study finds.

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Nesting Doll Pyramid: Ancient Mayan Structure Found Inside Chichen Itza

Archaeologists have confirmed that the iconic Pyramid of El Castillo in eastern Mexico is actually a pyramid within a pyramid within a pyramid.

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Remains of 5,000-Year-Old Egyptian City Unearthed

The city dates to the early dynastic period when the first pharaohs ruled a united Egypt. A cemetery discovered there holds at least 15 burials, one of which has the skeleton of person in a fetal position inside.

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How to Talk to Kids About Divorce

Here's what doctors say parents who are getting divorced should do to help their children.

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Stranded Whale Euthanized in Long Island Bay

A humpback whale that stranded on a sandbar in Long Island's Moriches Bay on Nov. 20 was euthanized on Wednesday (Nov. 23), after attempts to move the animal into deeper waters were unsuccessful.

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Coconut Crab's Pinch Is Strongest in the World

The coconut crab has the strongest pinch per body weight of any animal but the alligator.

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Sweat Detectors? Tiny Sensors Use Perspiration to Track Health

These adhesive sensors can read what's going on in your body based on your sweat, and could eventually provide an alternative to blood tests, according to researchers.

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Hair Ball! How Cats' Tongues Get Them So Clean

Cats' tongues are covered in mysterious spines, and a group of engineers has found that the teensy structures are shaped like claws and work like Velcro to clean.

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How Top Swimmers Can Go Faster: It's All in the Fingers

In the hunt for the fastest swimming technique, new research shows that the fingers play a key role.

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Good Cognition in Older Women Linked to Pregnancy History

Having your last baby in your late 30s may be good for your brain.

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Tiny 'Black Magic' Satellite Packs Origami-Like Radar Dish

NASA challenged engineers to pack an entire satellite dish into a cereal box with Radar in a CubeSat (RainCube), a technology-demonstration mission scheduled for launch in 2018 that will measure rain and snowfall on Earth from space.

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Photos: 'Giant Crocodile' Mummy Is Packed With Baby Crocs

Under a mummified crocodile's bandages hid dozens of baby crocodiles, each one individually swaddled.

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Crocodile Mummy Kept Dozens of Baby Crocs Under Wraps

High-resolution scans of a sizable Egyptian crocodile mummy revealed unexpected stowaways that the croc had literally been keeping under wraps for 2,000 years.

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Privileged Pigs Are More Optimistic

Pigs can be pessimists, but in nicer homes, they become more optimistic.

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Dogs Remember Even the Stupid Things We Do

Take care what you do around a dog, because they see and remember more than you might think.

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'Miniantibodies' Reduce Inflammation and Pain

Inflammation is an essential part of the immune system, but too much of it over time can lead to problems. Now, researchers have found a new way to fight it.

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Weather vs. Climate: Why Trump's Global Warming Stance Is Flawed

Is there reason to doubt climate change because some of the nation's hottest days happened in 1898, as President-elect Donald Trump told the New York Times in an interview yesterday?

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Teens on Special Diets Can Stir Thanksgiving Conflicts

Politics might not be the only source of family conflict this Thanksgiving.

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Exercise May Prevent the Inflammation That Comes with Overeating

Overindulging this week? Exercising may hold inflammation at bay.

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Many LASIK Patients Have New Eye Problems After Surgery

People who get LASIK eye surgery to correct their vision may have more side effects than thought.

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Huge Underground Ice Deposit on Mars Is Bigger Than New Mexico

A giant deposit of buried ice on Mars contains about as much water as Lake Superior does here on Earth, a new study reports.

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4,000-Year-Old 'Thinker' Sculpture Uncovered in Israel

An unusual pensive figure sits atop a Bronze Age vessel.

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In Photos: Pottery Vessel with Pensive Figurine Discovered in Israel

Israel Antiquities Authority researchers found an unusual ceramic vessel topped with a sculpture of a pensive person.

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Stopping Killer Robots at the Source (Code)

Researchers suggest coding artificial intelligence in such a way that robots don't make a distinction between human and machine.

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Thanksgiving In Space - ISS Commander Shares Menu | Video

International Space Station commander Shane Kimbrough explains how the crew will spend the holiday.

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'Grazing' Saturn's Rings - Cassini Spacecraft Will Get Closer Than Ever | Video

NASA's Cassini will get up close and personal with the planet's outmost F rings during a series of 20 orbits between Nov. 30, 2016 and April 22, 2017. It will give the probe unprecedented views of the moons that orbit near the edge of the rings.

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Hackers Turn Tesla Into a Brain-Controlled Car

A machine learning training program and an EEG headset turned brain activity into driving commands.

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Why Do People Get 'Bags' Under Their Eyes?

As any sleep-deprived person with a mirror knows, dark circles under the eyes are usually prominent after a bad night's sleep.

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People with Alzheimer's Disease Can Still Have Sharp Memories

Three people whose brains were examined after their deaths turned out to have signs of Alzheimer's disease. But they actually had good memory abilities right up until they died.

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The Clever Way Females Fend Off Male Fish with Big Genitals

Male mosquitofish with bigger genitals are typically best at coercing females into the "sack," but now researchers have found that females that are not interested in such pushy lovers grow bigger brains to fight back.

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130-Million-Year Old Proteins Still Present in Dinosaur-Age Fossil

Microscopic pigment structures and proteins that graced the feathers of a Cretaceous-age bird are still present in its 130-million-year-old fossil, a new study finds.

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Ant Overlords? Supercolony in Ethiopian Forests Set to Invade Globe

A species of ant found in Ethiopia may have some of the key behaviors needed to form an invasive supercolony, research suggests.

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Why Fewer Americans Say They Want to Lose Weight

American's today are less likely to say they want to lose weight, compared to those surveyed in the previous decade, according to a new poll.

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25 Odd Facts About Marijuana

Marijuana use is becoming ever-more mainstream, with two states now allowing recreational use of the drug. From pot's mythical origins to false positives in baby urine, read on for some of the odder facts about this drug.

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Why Do So Many Big Earthquakes Strike Japan?

Over the course of its history, Japan has seen its share of shaking, but what makes this part of the world so susceptible to big earthquakes?

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Altar of Miracle-Making Viking King Discovered in Norway

The original shrine of the patron saint of Norway may have been discovered.

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Australia's Bizarre Outbreak: What Is 'Thunderstorm Asthma'?

Hundreds of people in Melbourne experienced breathing problems during a recent storm, in an outbreak of "thunderstorm asthma."

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Japan Earthquake May Be Aftershock from Massive 2011 Temblor

Some seismologists think Japan is still feeling the aftershocks of the 2011 Tohoku earthquake.

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100 Years of Infectious Disease Deaths in US: Study Shows What's Changed

We've come a long way in treating infectious diseases over the last century, but in recent decades, the rates of death from some infectious diseases have actually increased.

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Why Your Problem-Solving Skills May Sharpen with Age

You may get better at creative problem solving as you age, new research suggests.

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Turkeys Were Tamed in Mexico 1,500 Years Ago

Archaeologists discover the earliest known evidence of turkey domestication.

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WWII Shipwrecks 'Vanish' After Plundering by Illegal Scavengers

Illegal salvagers have plundered at least six World War II shipwrecks near Indonesia for scrap metal, including the wreck of an American submarine that has now "completely vanished," according to investigators.

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In Photos: WWII-Era Shipwrecks Illegally Plundered in Java Sea

Historic World War II-era shipwrecks in the Java Sea, near Indonesia, are being plundered for scrap metal by illegal salvage operators.

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Holes in the Sun! One's Real, the Other Not So Much (Video)

There's a huge hole in the sun, but it has nothing to do with alien spaceships or any other conspiracy theory.

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Aliens Are Never the Answer

Weird and mysterious radio signals coming from outer space often are followed by claims of "aliens did it." That's likely not the case, says one astrophysicist.

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In Images: 'Field Guide' Showcases Bizarre and Magnificent Prehistoric Mammals

Extinct mammals that once roamed the Earth are weirder and more wonderful than you might expect.

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Extinct Mammals Are Real-Life 'Fantastic Beasts'

Extinct mammals were just as bizarre and fascinating as dinosaurs.

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'Lover' Cockroaches Grow Bigger Testicles to Woo Mates

Madagascar hissing cockroaches can change physical characteristics to become lovers or fighters.

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Selena Gomez's Speech: Why Does Depression Strike Young Adults?

"I was absolutely broken inside," Gomez said when she accepted her award for Favorite Female Artist – Pop/Rock.

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Does Lying on Your Back During Pregnancy Increase Stillbirth Risk?

A small study suggests pregnant women who lie on their back may be at increased risk for stillbirth, but experts are cautious about the results.

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'Impossible' Space Engine Might Actually Work, Study Suggests

The experimental "EmDrive" propulsion system may actually work, despite seeming to violate the laws of physics.

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Major Earthquake Strikes off Fukushima

A magnitude-6.9 earthquake struck off the coast of Fukushima, Japan, today (Nov. 21), triggering a tsunami warning.

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Women Have Always Lived Longer, Study Finds

Men just don't live as long as women do, according to a new study that spans the globe and several centuries.

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What All Effective Weight-Loss Diets Have in Common

Which diet is best when it comes to weight loss?

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The Arctic Is a Seriously Weird Place Right Now

Even in an age when climate change is making the outliers normal, what's happening in the Arctic stands out for just how outlandish it is. In the depths of the polar night, in mid-October, sea-ice growth slowed to a crawl and even started to decline.

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'Singing Snake' Busted: Real Voice Behind Legend Discovered

Scientists finally cracked the long-standing mystery of a "singing snake" in the Amazon rainforest.

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Supermoon's High Tides Strand Octopus in Flooded Parking Garage

Is the octopus in the parking garage climate change's canary in the coal mine?

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Facebook's Mark Zuckerberg Outlines Projects to Reduce Fake News

Zuckerberg posted a comment on his home page that finally addresses the problem of fake news on the social media site.

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Pope Extends Forgiveness for Abortion

Pope Francis has indefinitely extended a policy that allows women who have had an abortion to receive absolution from any priest.

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Forget Politics: 7 Wacky Science Stories to Talk About This Thanksgiving

Some families need to avoid talk of Trump and Clinton at all costs. Live Science is here to help.

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How to Survive Thanksgiving in a Postelection, Social Media World

Thanksgiving is coming, and you know way too much about your relatives' political opinions.

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Great Molasses Flood of 1919: Why This Deluge of Goo Was So Deadly

A bubbling flood of molasses that sent a towering wave of goo down the streets of Boston in 1919, and now scientists have figured out why it was so deadly.

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Rate of Dementia Declines Among US Seniors

The American population is getting older, but the percentage of U.S. seniors with dementia is actually declining, a new study found.

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Are Colds and Flu Worse in Women Than in Men?

Colds and the flu may take a bigger toll on women than men, according to a new study based on people's reports of their own symptoms.

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In Photos: Thousands of Ancient Inscriptions and Rock Art Found in Jordan's 'Black Dsert'

Ancient inscriptions suggest Jordan's Jebel Qurma region was once teeming with life. Check out these amazing photos of the rock art.

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Ancient Inscriptions Show Life Once Flourished in Jordan's 'Black Desert'

The discovery of thousands of rocks inscribed with artwork suggests that Jordan's Jebel Qurma region once had trees, wildlife and a sizable human population.

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Physicists Twist Light, Send 'Hello World' Message Between Islands

A new way of getting information into light waves could mean faster fiber-optics.

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Facts About Great Salt Lake

Great Salt Lake is the largest lake west of the Mississippi River and the largest salt lake in the Western Hemisphere.

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Facts About Tungsten

Properties, sources and uses of the element tungsten.

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NASA Probe Snaps Stunning New Pics of Dwarf Planet Ceres

NASA's Dawn probe is snapping stunning new views of the dwarf planet Ceres as the spacecraft pushes ever higher above the small world.

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Why China's Terracotta Warriors Are Stirring Controversy

For centuries, historians have assumed that 'primitive societies' couldn’t have possibly come up with advanced techniques on their own.

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400-Year-Old False Teeth Found in Italian Burial

The prosthesis was made up of other people's teeth linked by a gold band.

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Why Toddlers Are So Bad at Hide-and-Seek

Little kids cover their own eyes and feel hidden, even if they're still fully visible. New research suggests this doesn't mean children can't understand others' perspectives, as had been assumed.

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Faraway Star Is Roundest Natural Object Ever Seen

A star 5,000 light-years from Earth is the closest thing to a perfect sphere ever observed in nature, a new study reports.

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Santa's Sweltering: North Pole Soars 36 Degrees Above Normal

Santa may need to take off some of his jolly layers this Christmas: The North Pole — the northernmost point on the globe (where Mr. Claus lives) — is more than 36 degrees Fahrenheit warmer than it has been in past decades, a new report finds.

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Denver to Allow Marijuana in Bars: What's the Health Impact?

Allowing marijuana vaping indoors could be the riskiest aspect of a new marijuana law.

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Marijuana Use May Impair Your Coordination

People who smoke pot may have worse coordination, even when they're not high.

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Chernobyl Bubble: How a Giant Arch Will Seal Nuclear Site

To safely entomb the radioactive wreckage of Chernobyl, the site of the worst nuclear accident in history, a mobile metal arch taller than the Statue of Liberty — the largest man-made object ever to move on land — is now sliding over the ruins.

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Yo-Yo Dieting May Pose Heart Risks in Women

Weight fluctuations of more than 10 lbs. may be linked to heart problems in women.

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New GOES-R Satellites Are Weather Forecasting 'Game Changer' | Video

The next-generation NOAA satellite series will improve observations of the atmosphere, lightning, space weather, and more. It will help improve weather forecasts in the future.

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Island Diversity: Cuba's Amazing Animals in Museum Spotlight

From lush wetlands to vast cave networks, the island of Cuba hosts ecosystems that are teeming with life.

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Giant Owls and Painted Snails: Incredible Creatures from Cuba, In Photos

From toxic toads to brilliant butterflies, Cuba hosts a diverse array of animals, many of which are unique to its island ecosystems.

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The Best Health and Fitness Gifts

Looking for a gift for someone who wants get fit or stay healthy? Live Science has rounded up some of the best ideas we've seen.

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How to Avoid Stephen Hawking's Dark Prediction for Humanity

Humanity's future is uncertain, and physicist Stephen Hawking wants to reach for the stars.

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Bird Poop Cools the Arctic. No, It Won't Offset Climate Warming

Bird poop is a messy nuisance in the Arctic, but the droppings from seabirds actually have a beneficial effect: slightly cooling the region threatened by climate change, a new study finds.

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Bizarre Hexagon on Saturn Shines in Spectacular NASA Photo

A stunning new photo of Saturn's north pole spotlights the planet's bizarre hexagon-shaped vortex and beautiful bands of swirling winds.

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15 Outdoor Gifts for Exploring Our Amazing Planet

From hand warmers to ways to document it all, here are some of the best gifts for the adventure seeker in your life.

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9 Weird Ways You Can Test Positive for Drugs

Drug tests aren't foolproof: A number of harmless, everyday substances can trigger a false-positive result.

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Leonard Cohen's Death: What Causes Falls in the Elderly?

Legendary singer-songwriter Leonard Cohen died after falling in his home, but can falls signal poor health in older adults?

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Bright Idea: Glow-in-the-Dark Dye Could Power Cars

If the world one day sees a boom in electric cars and renewable energy, people will need more efficient batteries than are currently available. Now, researchers say a glow-in-the-dark dye used to track chemicals in cells could offer a solution.

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Mercury Is Shrinking

Astronomers have discovered a large valley on Mercury that provides further evidence for the planet's shrinkage — an odd phenomenon that has been the topic of debate for decades.

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78,000 Origami Elephants Invade the Bronx Zoo

The world's largest origami elephant collection is going on display at the Bronx Zoo.

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Work at a Desk Job? This Trick Could Boost Your Energy

Getting up from your desk for a few minutes at a time throughout the day may boost your mood and energy levels.

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In Photos: The World's Largest Display of Origami Elephants

The Bronx Zoo recently earned a place in the Guinness World Records for the most origami elephants -- 78,654 to be precise.

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Dino-Killing Asteroid May Have Punctured Earth's Crust

After analyzing the crater from the cosmic impact that ended the age of dinosaurs, scientists now say the object that smacked into the planet may have punched nearly all the way through Earth's crust, according to a new study.

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Teensy, Eyeless Worms Have Completely New Light-Detecting Cells

It may sound like a mutant superhero power, but a tiny, eyeless roundworm has a new type of light-detecting cell in its eye. And the photoreceptor is 50 times more efficient at capturing light than its counterpart in the human eye is, a new study finds.

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NASA's Climate Change Data Key To Preparing Cities For Possible Catastrophes | Video

The space agency, whose satellites and scientists have been instrumental in studying our changing planet, is working with officials in New York City and Rio de Janeiro to "share insights and solutions against specific climate risk."

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The Best Gifts for Science Geeks

What do you give the geek who has everything? Perhaps one of these science- or tech-inspired gifts.

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Age of First Stroke Is Getting Younger, Study Finds

Strokes are striking people in the U.S. at younger ages, a new study finds.

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Newfound Spider Species Masquerades As a Dried-Up Leaf

Scientists recently found a spider that uses a unique type of masquerade to hide in plain sight.

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Foldable Cardboard 'EcoHelmet' Wins James Dyson Award's Top Prize

A recyclable, fold-up bike helmet is the 2016 International Winner of the James Dyson Award.

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Why Does Fake News Spread on Facebook?

Even if fake articles could be curbed and filtered news modified, there's something built into Facebook's anatomy that foments partisan rage.

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Foldable Cardboard 'EcoHelmet' Wins Top Design Award | Video

A bike helmet that's affordable, collapsible and biodegradable was honored by the James Dyson Foundation as the 2016 International Winner of the James Dyson Award.

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The Real Reason Life-Saving Drugs Are So Expensive (Op-Ed)

There are two simple reasons for these high costs: a lack of generic-drug competition, and pharmaceutical companies' success in marketing their brand-name drugs.

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Got Milk? People Living 9,000 Years Ago Did, Ceramic Pots Show

Humankind has gulped down mouthfuls of milk and other dairy products from animals, such as sheep, goats and cows, for at least 9,000 years, a new study suggests.

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What Is a Monsoon?

A monsoon is a seasonal shift in wind direction. It can cause heavy rainfall during the summer and dry spells in the winter.

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Facts About Xenon

Properties, sources and uses of the element xenon.

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New Zealand Quake Ruptured 6 Faults

The magnitude-7.8 Kaikoura earthquake that struck the South Island of New Zealand early Monday (Nov. 14) ruptured six faults, images reveal.

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Love at Last! Rare 'Lefty' Snail Finds Mollusk Mate

Jeremy, the snail with a rare left-spiraling shell, is lonely no more. After a vast campaign designed to help the mollusk find a left-spiraled mate, two matches have oozed forward, in a manner of speaking.

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Excavations at Shakespeare's Curtain Theatre Reveal Elizabethan Secrets

Shakespeare may have written early work to suit the theater's unique shape.

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Spoil Sprouts: How Little Greens Can Make You Sick

Sprouts may sound cute, but the tiny greens have sickened more than 2,500 people and caused 186 hospitalizations and three deaths in the past two decades, a new report finds.

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Below Pluto's 'Heart' A Slushy Ocean May Churn | Video

Material beneath Sputnik Planitia (an area within Tombaugh Regio - Pluto's 'heart') may be pushing the surface outwards, causing a "positive gravitational anomaly," according to NASA New Horizons co-investigator Richard Binzel.

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Teen Depression on the Rise in US

Depression is on the rise in U.S. teens, a new study finds.

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The 5 Strangest Presidential Elections in US History

Past races have featured nasty accusations, bizarre happenstance and even the death of one of the candidates.

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Why Tall Women Should Eat Their Vegetables

Taller women are more likely to have physical or mental health problems by the time they reach their mid-70s than their shorter counterparts, a new study finds.

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Fearsome Malagasy Dinosaur Remained a Pipsqueak Most of Its Life

A fearsome carnivorous dinosaur known for eating its own kind wasn't that large — it weighed about as much as a hefty crocodile. But the creature took more than 20 years to reach its full size, making it one of the slowest growing dinosaurs of its kind.

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In Photos: Rare Anglo-Saxon Cemetery Uncovered

In a surprise find, archaeologists discovered an Anglo-Saxon cemetery in England with more than 80 graves. See photos of the cemetery and the rare, waterlogged wooden coffins at the site.

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Surprise Find: More Than 80 Anglo-Saxon Coffins Uncovered in England

Archaeologists uncovered an Anglo-Saxon cemetery in England with dozens of rare wooden coffins arranged in rows.

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New Zealand Cows Stranded on 'Quake Islands' Are Safe, For Now

Cows in New Zealand are trapped on grass islands after earthquakes and landslides.

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People with Ebola May Not Show Symptoms

People who have Ebola may not always have symptoms, a new survey confirms.

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Here's Why Hostility Could Be Harmful to Women's Hearts

Hostility is bad for heart health, and a new study shows what's going on in the body that may explain this link.

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'14 Minutes from Earth' Highlights Perils of Death-Defying Skydive

A new documentary chronicles the years-long journey of former Google executive Alan Eustace to complete the highest-altitude skydive in history.

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New 'Science Comics' Books Tackle Sharks, Brains, Drones and More

A series of graphic non-fiction books is proving that comics are terrific for telling stories about science.

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Some Heartburn Drugs May Increase Stroke Risk

A popular type of heartburn medication may raise a person's risk for a common type of stroke, a new study from Denmark finds.

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Supermoon and the Soyuz - Awesome Time-Lapse From Baikonur Cosmodrome | Video

On Nov. 14, 2016, NASA captured the full moon rising and the Soyuz MS-03 spacecraft. The moon was at its closest point to Earth since 1948 on that morning.

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Twisters Pop Up in Weird 'Big Bang' Soup

Simulations of quarks and gluons show strange spinning twisters and spokes.

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Will Sci-Fi Bots Write the Next Great Dystopian Novel?

A new science-fiction writing robot could be a harbinger of the types of tools used to produce new creative works in the future.

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Science of 'Arrival': If Aliens Call, Does Humanity Have a Plan?

What would happen if humans really did make contact with an intelligent alien civilization? If E.T. calls, is there a plan?

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Edward Snowden: New Technology Platforms Could Strengthen Democracy

To protect the rights of people around the globe, people need to use and develop new technologies to create virtual platforms that can disseminate democracy.

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Rare Parasitic Infection 'Leishmaniasis' Rising in the US

A parasitic infection that's rare in the United States now appears to be showing up more often in American travelers.

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Pocket-Size Device Lets You Print from Anywhere

A new mobile robotic printer that is only a little bigger than three stacked hockey pucks will enable people to print anywhere and on any size page of paper.

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Winning Data Visualizations Reveal Information Is Beautiful

The best data visualizations and infographics of 2016 were recognized on Nov. 2, at the Kantar Information Is Beautiful Awards.

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In Images: Top Winners of 'Information Is Beautiful' Awards

Award-Winning visualizations and infographics highlight data's beauty.

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Cyclone Powered By Warm Winter Causes 'Size of Florida' Arctic Ice Melt | Video

The concentration of ice dropped by 10 percent in the Kara and Barents seas region north of Russia as a result of a large cyclone which formed in late Dec. 2015.

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Moderate Drinking May Have Some Heart Benefits

Moderate drinking may have positive effects on some aspects of heart health compared to abstaining, a new study finds.

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Smash! Super-Stabby Mantis Shrimp Shows Off in Video

The mantis shrimp, that tiny toughie of the sea, smashes and stabs in a new video showing off the special talents of this predatory crustacean.

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Marijuana-Like Drugs May Offer Addiction-Free Pain Relief

Scientists have turned to marijuana-like synthetic compounds to provide opioid-like pain relief without the risk of addiction or a high.

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2016 Set to Become Hottest Year on Record

This year will be the hottest on record by a significant margin, the World Meteorological Organization told diplomats gathered in Marrakech, Morocco, this week.

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1,200 Pieces of Fossilized Poop Earn Collector Guinness Record

Though some people may be wary of a poop collection, the fossils are hard as a rock and don't smell.

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