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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Kim Kardashian's Pregnancy Risk: What is a Retained Placenta

Kim Kardashian's doctors say that a third pregnancy would be unsafe, in part because she could be a risk for a retained placenta.

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Arthritis Drug Helps People Regrow Hair, More Cases Show

Two patients who lost all of their hair due to a medical condition regrew some hair after taking an arthritis drug.

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3,000-Year-Old Mummy Found in Egyptian Tomb

The well-preserved mummy is believed to be the body of a man named Amenrenef, a servant to a royal household.

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The Grime on Your Smartphone Can Reveal Your Secrets

The residue of chemicals and microbes on your cellphone can reveal a lot about your lifestyle.

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New Zealand Quake's Strange Side Effect: What Are Earthquake Lights?

After the magnitude 7.8 earthquake in New Zealand, bystanders reported flickering green and blue lights that are known as earthquake lights.

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Australian Continent Moves as Seasons Change

The entire continent of Australia shifts a detectable amount thanks to seasonal movements of water across the globe, new research shows.

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Electronic E.T.: Intelligent Aliens Are Likely Machines

Any intelligent aliens humans manage to contact probably won't look much like you or me, or the squid-like creatures in the new film "Arrival."

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Affordable VR Will Take Immersive Therapy Mainstream

How the accessibility of virtual and augmented reality will help with the healing process.

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Photos: Shipwrecks in the Black Sea Span Time Periods

What they found was both surprising and fascinating: Lying on the seafloor were more than 40 shipwrecks from various time periods.

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More than 40 Shipwrecks Discovered in Black Sea

A geophysical research project accidentally uncovers a slew of shipwrecks.

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Google Doodle Celebrates Inventor of Insulin

Today's Google Doodle honors Frederick Banting, the inventor of insulin, which can save the lives of diabetics.

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The Search for Oldest Ice on Earth Begins

A new mission will search for the oldest ice on Earth in an attempt to find out how Earth's climate has shifted in the past and what that might mean for the future.

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Probiotics May Help Reduce Blood Sugar Levels

The microbes that live in your gut may play a role in your blood sugar levels, a new study finds.

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New Zealand Shook by 7.8-Magnitude Earthquake, Tsunamis

The quake's epicenter is northeast of Christchurch, but was felt as far as New Zealand's capital Wellington, located 120 miles (200km) away on the North Island.

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YouTube's 'The Brain Scoop': A Backstage Pass to Museum Science

On YouTube's "The Brain Scoop," host Emily Graslie bring the Field Museum's collection treasures and scientific research to light.

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From Reactive Robots to Sentient Machines: The 4 Types of AI

We need to do more than teach machines to learn. We need to overcome the barriers that separate machines from us – and us from them.

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Why Do Teeth Hurt?

Teeth hurt when the enamel is worn off and the sensitive inner layer is exposed, or when the root or pulp is inflamed or infected.

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In Photos: Massive Stone Complex Discovered in Kazakhstan

This complex of stone structures sprawls over 120 hectares (about 300 acres) and dates back around 1,500 years. It may have been built by a nomad tribe called the Huns.

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Built by the Huns? Ancient Stone Monuments Discovered Along Caspian

A massive, 1,500-year-old stone complex that may have been built by nomad tribes has been discovered near the eastern shore of the Caspian Sea in Kazakhstan.

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Spanking on the Decline? Fewer Parents Admit to It

Spanking is much less common now than it was 30 years ago, a new study finds.

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To Keep the Weight Off, Keep Tracking Your Diet

Keeping track of the foods you eat is an important strategy for weight loss, but continuing to monitor is also important to prevent regaining that weight.

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How Eating Right in Middle Age Can Set You Up For Long Life

The foods you eat may have an effect on how long you live, a new study finds.

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Move Over, Sweet Tooth: Introducing the Salt Tooth

You've heard of a sweet tooth, but what about a salt tooth?

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Marijuana Use May Weaken Your Heart Muscle

Using marijuana may be tied to a type of cardiomyopathy, or weakening of the heart muscle, a new study says.

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Super-Duper Moon: How to See Sunday's Historic Full Moon

Prepare to be dazzled with the luminous light of a supermoon as it ascends into the sky tonight (Nov. 13), marking the closest a full moon has been to Earth in almost 69 years, according to NASA.

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Women Receive Abortion Pills By Mail As Part of New Study

Some U.S. women will receive abortion pills by mail as part of a study on whether these abortions, which don't involve going to an abortion clinic, can be done safely.

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Rare 'Supermoon' In Nov. 2016 - How To Watch It | Video

Skywatchers will be able to gaze upon the biggest and brightest "supermoon" in almost 69 years on Nov. 14th, 2016. Live Science spoke with Noah Petro, the deputy scientist for NASA's Lunar Reconnaissance Orbiter mission, about to view it.

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Boys' and Girls' Brains May Show Opposite Effects After a Trauma

Traumatic events may affect the brains of boys and girls differently, a new study finds.

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Helping Veterans Cope with the Mental Scars of War – Op-Ed

When we think about the men and women in our military this Veterans Day, we should also think about their mental health.

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Carnivorous Sea Slug Sucks Up Prey in Mesmerizing Video

A bizarre-looking, soft-bodied, multilimbed, carnivorous sea slug was recently filmed off the coast of Bali, Indonesia.

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'Historically Close' Supermoon Arrives Sunday Night

This month's bright supermoon — the closest full moon in 68 years — is expected to light up the sky early Monday morning, NASA reported.

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iPad Game Helps Treat Lazy Eye in Kids

Kids with lazy eye — or amblyopia, the medical term for the condition — may improve their vision by playing a specially designed iPad game, a new study finds.

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Cool! Milky Way Shines Twice for Skywatcher (Photo)

Kelli Klymenko, a photographer in Sedona, took the image from Cathedral Rock Trail in Arizona.

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Michael Bublé's Son Diagnosed with Liver Cancer: How Rare Is It in Kids?

Singer-songwriter Michael Bublé's young son Noah recently started treatment for liver cancer, a condition that is very rare in children.

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Morphing Wings Are 1st Step Toward Bird-Like Aircraft

Bendable, morphing wings covered with overlapping pieces resembling scales or feathers could be used to build more agile, fuel-efficient aircraft, a new study finds.

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Supermoon Photos: Full Moon Rises Across the Globe

When the full moon is at a spot in its orbit closest to the Earth, our lone satellite appears much bigger and brighter than your average full moon. Take a look at these stunning images of the supermoon.

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Long-Lost Tropical Bed Bugs Are Back in the US

A rare type of bed bug was found in Florida for the first time in 60 years, and it may be on the move.

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First-Ever Madagascar Dolphin Fossil Discovered

A single fossilized backbone is the first evidence on record that dolphins once swam around the waters of ancient Madagascar, a new study says.

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Mysterious Unidentified Object Crashes in Myanmar

A strange metal object that looks like it may have come from an aircraft or rocket launcher has landed in Myanmar.

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Flu Risk May Depend on Birth Year

The year in which you were born may predict your risk of getting some types of the flu.

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It's Just a Phase: The Supermoon and Moon Myths

The moon holds a mystical place in the history of human culture, so it's no wonder that many myths exist.

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Trump's Win Uncovers New Deep Divides in America's Social Fabric

Ideology doesn't explain the deep divisions Hillary Clinton referenced in her concession speech.

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How to Talk to Kids About Trump's Presidential Win

How should parents talk to their children about a Trump presidency?

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New Record! Robot Solves Rubik's Cube in Less Than a Second

It achieved the best time in the approximately 30 years that have passed since the cube was invented.

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The Best Educational Toys for Middle-School Students

Kids are curious creatures. Here are some awesome and educational science toys, many for $30 or less, that can entertain and engage your family.

via Live Science http://www.livescience.com/56581-educational-toys-for-middle-schoolers.html

Constipation Linked to Risk of Kidney Disease, New Study Finds

Constipation may be a sign of an altered gut microbiome, which affects inflammation in the body, the researchers said.

via Live Science http://www.livescience.com/56827-constipation-linked-to-kidney-disease.html

What Will a Trump Presidency Mean for Science?

President-elect Donald Trump is likely to affect science when he comes into office next year, with the potential to change everything from climate change action and the Keystone pipeline to sex education and fetal tissue research.

via Live Science http://www.livescience.com/56822-what-trump-presidency-means-for-science.html

Maine Legalizes Marijuana for Recreational Use

Voters in Maine voted to legalize recreational marijuana, the Associated Press reported.

via Live Science http://www.livescience.com/56826-maine-legalizes-marijuana.html

Red Squirrels Harbor Leprosy-Causing Bacteria

The cause of mysterious sores that are increasingly seen on red squirrels has been found.

via Live Science http://www.livescience.com/56825-red-squirrels-harbor-leprosy-causing-bacteria.html

'Fight For Space': NASA and Science All-Stars Have Say In New Documentary | Trailer

Jim Lovell, Neil deGrasse Tyson, Story Musgrave, Bill Nye and more star in the documentary about how human exploration of space slowed to a low-earth orbit crawl after the Apollo program and its repercussions.

via Live Science http://www.livescience.com/56824-fight-for-space-nasa-and-science-all-stars-have-say-in-new-documentary-trailer.html

Muddy Demise: Bird-Like Dinosaur Died While Struggling to Free Itself

More than 66 million years ago, a feathered dinosaur with two skinny legs and a bony crest on top of its head got mired in the mud, likely putting up a mighty struggle before dying and eventually fossilizing, a new study finds.

via Live Science http://www.livescience.com/56823-birdlike-dragon-dinosaur-died-in-mud.html

Diver Finds Long Lost Nuke While Hunting Sea Cucumbers

A diver hunting for sea cucumbers in British Columbia, Canada, came across what may be the United States' first lost nuclear weapon, or 'broken arrow'

via Live Science http://www.livescience.com/56821-diver-stumbles-upon-nuke.html

Largest 'Supermoon' Since '48 Will Not Be This Close Again Until 2034 | Video

On November 14, 2016, the full moon will be the closest it has been to Earth since 1948. It will appear 15 percent bigger and 16 percent brighter than typical full moon. It is also known as the 'beaver moon.'

via Live Science http://www.livescience.com/56819-largest-supermoon-since-48-will-not-be-this-close-again-until-2034-video.html

Climate Experts Weigh in on Trump's Election Win

Here's how climate experts think Trump's win will impact climate research and mitigation efforts.

via Live Science http://www.livescience.com/56818-climate-experts-react-to-trump-presidency.html

How Trump Could Erase Decades of Climate Change Action

Donald Trump has said he would withdraw the United States from historic pacts to curb global warming, but how exactly would this process play out?

via Live Science http://www.livescience.com/56817-how-trump-will-affect-climate.html

Does 'Cage-Free' Mean a Better Life for Chickens?

Massachusetts is the latest state to vote on a ballot initiative to increase the amount of space that animals are allowed in industrial food production systems.

via Live Science http://www.livescience.com/56816-do-cage-free-chickens-have-better-lives.html

Seabirds' Plastic-Eating Habits Remain Puzzling

Imagine that you are constantly eating, but slowly starving to death. Hundreds of species of marine mammals, fish, birds, and sea turtles face this risk every day when they mistake plastic debris for food.

via Live Science http://www.livescience.com/56815-why-do-seabirds-eat-plastic.html

Best Educational Toys & Games for 7- to 10-Year-Olds

Encourage hands-on fun and experimentation with kits to inspire kids' natural curiosity. These toys will open up the worlds of chemistry, physics and more to the 7-to-10 set.

via Live Science http://www.livescience.com/56811-educational-toys-for-elementary-students.html

Best Educational Toys & Games for Infants and Toddlers

These science-y toys will put all that developing brainpower of your infant or toddler to good use. And they'll have fun, too.

via Live Science http://www.livescience.com/56806-educational-toys-for-babies-and-toddlers.html

Oldest Beer Brewed from Shipwreck's 220-Year-Old Yeast Microbes

Yeast microbes from the world's oldest bottle of beer — a 220-year-old bottle found in one of Australia's earliest shipwrecks — are being used to create a new, modern beer with the characteristic taste of the 18th-century brew.

via Live Science http://www.livescience.com/56814-oldest-beer-recreated-from-shipwreck-yeast.html

In Photos: Recreating 220-Year-Old Beer Found in Shipwreck

An international team of scientists has recreated a 220-year-old beer recipe using live yeast recovered from a bottle found in an 18th-century shipwreck in Australia.

via Live Science http://www.livescience.com/56773-photos-recreating-220-year-old-beer.html

HIV Test to Go: USB Tool Could Aid Developing Countries

A new technology that fits on a USB stick can be used to test for levels of HIV in people's blood, which could aid in treatment of the disease in developing countries.

via Live Science http://www.livescience.com/56813-hiv-test-usb-stick.html

3 More States Legalize Recreational Use of Marijuana: How the Map Looks Now

Voters in California, Massachusetts and Nevada decided yesterday (Nov. 8) to legalize the recreational use of marijuana in their states.

via Live Science http://www.livescience.com/56807-recreational-marijuana-california-massachusetts-nevada.html

Dave the Giant Earthworm Sets Record in UK, World

The 16-inch-long earthworm will become part of the collection at the Natural History Museum in London.

via Live Science http://www.livescience.com/56812-longest-heaviest-earthworm-world-record.html

More Science Says Smartphones Spoil Sleep

The more time you spend on your smartphone, the worse you'll sleep, a new study suggests.

via Live Science http://www.livescience.com/56809-smartphones-sleep-quality-time.html

Why Copying Yoga Poses from Magazines Could Be a Bad Move

Yoga poses depicted in magazines and other media outlets may draw eyeballs, but most people probably shouldn't try them, a new study suggests.

via Live Science http://www.livescience.com/56810-yoga-media-images-injury.html

2 Dome-Headed Dinosaurs the Size of German Shepherds Discovered

The discovery of a pair of fossilized skulls from dome-headed dinosaurs is shedding light on how these bizarre creatures called pachycephalosaurs evolved, researchers say.

via Live Science http://www.livescience.com/56808-two-dome-headed-dinosaurs-discovered.html

Newfound Ancient 'Sea Monster' Is Largest Yet from Antarctica

About 66 million years ago, an ancient sea monster the height of a five-story office building once gnashed its sharp teeth as it swam around the dark waters of Antarctica, a new study finds.

via Live Science http://www.livescience.com/56805-mosasaur-discovered-in-antarctica.html

Bird Beaks Are Cooler Than You Think — Literally

CT scans show structures in birds' beaks that help them keep cool.

via Live Science http://www.livescience.com/56804-bird-beaks-are-cooling-units.html

Book Excerpt: 'Blueprint for a Battlestar' (US 2016)

In "Blueprint for a Battlestar: Serious Scientific Explanations Behind Sci-Fi's Greatest Inventions," NASA insider Rod Pyle explores remarkable and memorable technologies from the world of science fiction.

via Live Science http://www.livescience.com/56803-book-excerpt-blueprint-for-a-battlestar.html

Why Do Sleepy People Drink More Soda?

People who don't get enough sleep drink more soda and energy drinks than those who get the recommended amount of sleep per night.

via Live Science http://www.livescience.com/56802-sleep-people-soda.html

The Future of Space: Top Issues Facing President-Elect Donald Trump

Here's a look at some of the most pressing space issues that President-elect Trump may face, from the direction of NASA's human-spaceflight program to the regulation of asteroid mining.

via Live Science http://www.livescience.com/56801-space-policy-issues-facing-president-donald-trump.html

Why Humans Don't Have More Neanderthal Genes

Neanderthals and modern humans interbred long ago, but evolution has purged many of our caveman relative's genes from modern human genomes, a new study finds.

via Live Science http://www.livescience.com/56800-why-humans-dont-have-more-neanderthal-genes.html

'Firework' Drones Swarm the Sky, Setting New World Record

The fleet set a new Guinness World Record for most the most UAVs airborne simultaneously.

via Live Science http://www.livescience.com/56792-drone-fireworks-show-world-record.html

Hidden Beneath Bolivian Volcano, Enough Water to Fill a Great Lake

Enough water to fill a great lake has been found locked in the molten rock beneath a Bolivian volcano.

via Live Science http://www.livescience.com/56799-hidden-water-beneath-bolivian-volcano.html

In Victory Speech, Donald Trump Discovers the Power of 'We'

President-elect Trump sounded very different from candidate Trump last night, says one communications scientist.

via Live Science http://www.livescience.com/56798-donald-trump-victory-speech-analyzed.html

Entelodonts: Facts About Giant Killer 'Pigs'

Entelodonts, also called hell pigs, were large, primitive mammals that lived during the Eocene. They weren't, however, related to pigs.

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Crater Lake: Deepest Lake in U.S.

Crater Lake in Oregon, known for its vibrant blue color and purity, is the deepest lake in the United States.

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Facts About the Bear Dog

Neither bear nor dog, these extinct animals evolved to be massive predators.

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Low Vitamin D Linked with Higher Asthma Risk

People who don't get enough vitamin D may be at increased risk for asthma, a new study suggests.

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How Rare Is a Supermoon, Really?

Full moons are good reason to look up – and the one on Nov. 14 is no exception. But here's why you likely won't see something shockingly different from other full moons you've observed over the years.

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What Triggered Tsunamis that Demolished Bronze-Age Civilization?

The eruption of Thera did more than blow a hole into the island and trigger tsunamis and flooding, it also set off the decline of the Minoan culture.

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Breast Cancer: The First Sign Isn't Always a Lump

Women with breast cancer that shows up with symptoms other than a breast lump delay seeing a doctor.

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Why Not Paper Ballots? America's Weird History of Voting Machines

The long strange trip: a history of voting machines.

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The Mysteries of 'Dreamless Sleep' Come to Light

The mysterious stage of sleep called dreamless sleep may actually involve several different states of consciousness, researchers say.

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Election Day 2016: How Are Votes Counted?

The process for counting votes is varied, meticulous and carefully designed, election experts say.

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The Real Reason for Viking Raids: Shortage of Eligible Women?

For all their infamous raiding and plundering, the Vikings who attacked from Scandinavia might have been just a bunch of lonely-hearted bachelors, new research suggests.

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Astro Cameras Help Mosques Schedule Prayer Times

Camera tech designed for astrophysics research helped U.K. mosques to schedule dawn prayers.

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8 Galaxies With Unusual Names

There are billions upon billions of galaxies in our universe, but only a handful have common names — and some of them might surprise you.

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Aging Bonobos Become Farsighted, Just Like Humans

Much as people adopt reading glasses as they grow older, aging bonobos also show signs of developing difficulty in seeing close-up.

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Photos: Ancient Sea Turtle Discovered Along Angolan Coast

About 64 million years ago, a sea turtle with a triangular-shaped head swam along the arid coastline of what is now Angola.

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Tough Turtle: Dino-Killing Asteroid Spared Sea Creature

Shortly after an asteroid smashed into Earth about 65.5 million years ago, obliterating much of life on Earth, an ancient sea turtle with a triangular-shaped head swam along the relatively arid shores of southern Africa, a new study finds.

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The Electoral College: Why 270 Is the Magic Number for Clinton and Trump

How the Electoral College works.

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Teen Use of Opioids Linked to Marijuana

Teens who take opioid painkillers without a prescription also often use cannabis, according to a new study.

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Clinton or Trump for President: What Happens If the Election Is a Tie?

If the presidential election were to result in a tie, the Republican-led House of Representatives would choose the president, experts said.

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Presidential Pantsuits: Why Clinton's Outfits Are So Controversial

A fashion historian describes the controversial history of the pantsuit – and how Clinton transformed her signature ensemble into a rallying cry for female empowerment.

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Janet Reno's Death: How Does a Person Die of Parkinson's?

Former U.S. attorney general Janet Reno has died at the age of 78 from complications of Parkinson's disease.

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Kendall Jenner's Fear: What Is Sleep Paralysis?

Model and reality-TV star Kendall Jenner recently revealed that she's afraid to go to sleep because of a condition called sleep paralysis.

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Saber-Toothed Cat Had a Huge Skull, But a Puny Bite

The biggest saber-toothed cat skull ever found is helping scientists understand the range of killing techniques used by these extinct and fearsome predators.

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Election Day 2016: A Guide to the When, Why, What and How

Here's a guide to all those facts you wanted to know about Election Day.

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Why Are Thousands of Snowballs Popping Up on a Siberian Beach?

The best place to stock up on ammo for an epic snowball fight may be a beach in Siberia.

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Global Warming - Natural vs. Manmade Causes Compared By NASA | Video

When you compare possible natural causes (orbital, solar and volcanic activity) over the course of the last 100+ years, to manmade causes (aerosols, deforestation and greenhouses gases), the winner is clear.

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Hypersonic Flight Is Coming: Will the US Lead the Way?

The world is at the start of a renaissance in hypersonic flight that will transform aviation, but the effort will need steady commitment and funding if the United States wants to lead the way, congressional leaders and industry officials said.

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Inside Ireland's Oldest Grave, an 'Exceptional' Find

Ireland's oldest human grave has become even more exceptional for one of its contents: The oldest polished ax on record in Europe was likely created solely for a burial, archaeologists say.

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Stranger Pings: Weird Noise Coming from Arctic Seafloor

The Canadian Department of National Defence was informed of the strange noises and investigated the ping's origin, to no avail.

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Saturn's Moon Titan - Moving Methane Clouds Captured By Spacecraft | Video

A time-lapse of 11 hours of observations by NASA's Cassini spacecraft shows the clouds moving across the Titan's northern region. The imagery was taken on Oct. 29 and 30, 2016.

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How Did the Milky Way Get Its Name?

How did our galaxy come to be known as the Milky Way?

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Fit for a King? Medieval Book 'Illuminates' Likely Theft by Henry VIII

High-resolution images reveal a lavishly illustrated medieval book, the "Aberdeen Bestiary," was likely used as a teaching tool and seized by King Henry VIII in the 1500s.

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Images: Animal Tales Illuminate the 'Aberdeen Bestiary'

Images from one of the most lavishly illustrated manuscripts, the "Aberdeen Bestiary," are seen in a new light. Here's a look at the illuminated animal paintings and their related text.

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5.0-Magnitude Earthquake Hits Oklahoma

Though no injuries have been reported, the Oklahoma quake was felt as far away as Missouri and Kansas.

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'Doctor Strange' Astrophysicist Talks Mind-Bending Marvel Science

With "Doctor Strange," coming to theaters this Friday (Nov. 4), Marvel is taking its cinematic universe in a more mystical direction that may seem to diverge from the space travel, gods-as-aliens and DNA-based superpowers of the previous movies.

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Incoming! How NASA and FEMA Would Respond to an Asteroid Threat

It's a scary scenario: an asteroid headed for Earth, just four years away from slamming into our home planet. It may be too short a span to plan an asteroid-deflection mission, but it's long enough to present very different challenges from those of a more

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Fall Back: Daylight Saving Time Ends Sunday

Be prepared to "fall back" early Sunday morning, as people across the United States gain an hour of sleep with the end of daylight saving time.

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Secret German World War II Base Rediscovered Near North Pole

The remains of a secret World War II German base have been rediscovered on an island near the North Pole by a team of Russian researchers.

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Photos: German WWII Base Discovered on Arctic Island

A team of Russian researchers have rediscovered the site of the secret German World War II base "Schatzgrabber" ("Treasure Hunter") on the Arctic island of Alexandra Land, in the Barents Sea.

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Facts About the Giant Ground Sloth

Giant ground sloths were large, lumbering beasts that lived in the Americas during the Ice Age. Thomas Jefferson is credited with discovering one species.

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Inflammatory Bowel Disease on Rise in US

There is no known single cause of IBD. So why is the condition on the rise?

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Do Kids Take Years Off Your Life? Giving Birth May Make Cells 'Older'

Women who give birth may be biologically "older" than women who don't, a new study suggests.

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World's Oldest Stone Tablet Containing Ten Commandments Up for Auction

The oldest and most complete version of the stone tablets are going on auction in Beverly Hills this week.

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Successful Weight 'Losers': Here's How Much Less Time They Spend Sitting

People who want to keep weight off are often told to exercise more, but simply spending less time sitting down, and more time doing light activities may also help people maintain their weight loss.

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Oldest Megamouth Shark on Record Had Chipped Tooth

About 36 million years ago, a shark the length of two upright pianos chipped and lost its three-pronged tooth, possibly while crunching on a bony fish, a new study finds.

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Mystery Deepens Over Bones Linked to Amelia Earhart

Records of a partial skeleton of a castaway found in the 1940s on the Pacific island Nikumaroro shows some similarities to Amelia Earhart, but other forensics scientists are not sure the science holds up.

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Why the Body in Your Dreams May Not Match the Real You

Turns out, a 'mini-you' stars in your dreams.

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Every US River Visualized in One Glorious Map

A stunning new visualization shows all the rivers coursing through the United States.

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Stem Cell 'Patches' Could Help to Fix Injured Hearts

Using a new combination of cells, researchers have made "patches" that could be used to fix up failing hearts, new research done in guinea pigs shows.

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Junkyard Metal Turned into a DIY Super Battery

Metal scraps, common household chemicals and an open-source plan could bring power to the people.

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Weird 'Egg Rock' Meteorite Found on Mars

Last week, NASA's Mars rover Curiosity stumbled upon a dark grey, golf ball-sized object that looks nothing like the typical red-orange rocks typically seen on Mars.

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Cancer-Causing List: 7 New Substances Added by US

Seven new substances have been added to the U.S. Department of Health and Human Services' list of cancer-causing agents.

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Tadpoles Prefer Vegetarian Meals During Heat Waves

When it's too darn hot, amphibian young adapt by changing their diet.

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US Designates Electric Vehicle Charging Corridors

The federal government is designating 48 electric vehicle charging corridors along major U.S. highways.

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Curiosity Finds Iron-Nickel Meteorite On Mars | Video

The Mars Science Laboratory came across an unusual golf ball-sized object on the surface of the planet on Oct. 27, 2016.

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Ancient 400-Pound Salmon Fought with Dagger-Like Teeth

Nearly 400 lbs. and 9 feet long, the giant extinct salmon had inch-long spiked teeth.

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27 Devastating Infectious Diseases

Contagious diseases have shaped human history and they remain with us. Here's a look at some doozies, from ebola and dengue to the more recent Zika virus and CJD.

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How One Man Fought Off a Great White Shark

Joe Tanner was paddling on his surfboard off the Oregon coast, waiting to catch a wave, when he felt something grab his leg.

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Turns Out, Faking a Smile Might Not Make You Happier After All

A prominent psychological finding fails to hold up in a major replication attempt.

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What Makes an Earworm So Catchy?

Ever notice any similarities between the songs that get stuck in your head?

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Refreshingly Radioactive? The Wild History of Energy Drinks

Back in the early 1900s, if you felt a bit sluggish you could reach for a beverage enhanced with radioactive elements to really add some pep to your step. It wouldn't be a healthy choice, though.

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'Cursed' Medieval Well Found in England

The well was once believed to wash away sins; then it became the site of a curse.

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An Entire Ecosystem of Creepy-Crawlies May Lurk in Your Home

DNA testing reveals the traces of a diverse group of indoor insects, spiders and mites.

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Investigation Sheds Light on Final Moments of Malaysia Airlines Flight MH370

When missing Malaysia Airlines flight MH370 disappeared on March 8, 2014, there was probably no one controlling it, a new analysis suggests.

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3D-Printed 'Lego' Bricks Could Bend Sound into Acoustic Holograms

3D-printed bricks that look like Lego pieces could provide a simple, low-cost way of creating acoustic holograms — 3D shapes and structures made of sound — for applications as varied as entertainment, medicine or wireless charging.

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Surprise! Newfound Asteroid 2016 VA Gives Earth a Close Shave

The small asteroid 2016 VA buzzed Earth last night (Nov. 1), just hours after astronomers first spotted the space rock.

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Pap Smear Early in Pregnancy Could Reveal Genetic Disorders Earlier

A Pap smear done on a woman who is just five weeks pregnant can reveal genetic disorders in the fetus, according to a small new study.

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Iron Age Brew Recreated from Ancient Cauldron's Remnants

The alcoholic drink was probably a type of mead known as braggot.

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Did Too Many Energy Drinks Trigger Man's Liver Problems?

A 50-year-old man developed a condition called acute hepatitis after consuming energy drinks regularly for three weeks, according to a new report of the man's case.

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'Shotgun' Marriages Up Among Some Groups

Shotgun marriages are down in America, but remain surprisingly common among some groups.

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Calling All Wizards! Cast Spells Like Harry Potter on Your Smartphone

You can now cast a "spell" — the same way wizards and witches in Harry Potter's world wield their wands — to turn your smartphone's flashlight on and off.

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The Funniest Animal Antics Captured in Comedy Wildlife Photos

The Comedy Wildlife Photography Awards showcase some of the silliest and most amusing animal pics around.

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Photos: Hilarious Animal Photos

The finalists in this year's Comedy Wildlife Photography Awards have captured some goofy animal antics.

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James Webb Telescope's Marvelous Telescope Element Is Complete | Video

The next generation space telescope's backplane structure, gold-plated mirrors and instruments have been assembled. Next stop is NASA's Johnson Space Center for further testing.

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Daylight Saving Time 2016: A Guide to the When, Why, What and How

Here's everything you've ever wanted to know about Daylight Saving Time (often misspelled as "savings"), including times, dates, its history and more.

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Does Daylight Saving Time Really Save Energy?

Short answer: We don't really know.

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Rigging an Election: How Difficult Is It?

Rigging an election in the United States would be very hard, says one political scientist who studies election administration.

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Ancient Cave Lion Cubs Found Crushed and Frozen in Russia

Even though the animals died more than 30,000 years ago, northern Russia's cold permafrost has preserved the small bodies of two furry and wide-pawed cave lion cubs, one of them in almost pristine condition, a new study found.

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Photos: 5,000-Year-Old Scratched Stones Could Be Ancient Maps

Stone fragments with patterns of lines scratched into them could be the earliest known maps in the world.

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Ancient Scratched Stones: World's Earliest Maps or Magic Artifacts?

The broken stones, covered with etchings of lines and squares, were discovered at a 5,000-year-old sacred site in Denmark.

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Fighting Hunger? Plant Protein May Keep You Feeling Full Longer than Meat

Adding legumes or beans to your breakfast might help you eat less at lunch.

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Jackpot! Hiker Discovers Ancient Reptile Footprints Near Las Vegas

About 290 million years ago, a four-legged reptile with three toes on each of its back feet strolled across the mucky land, the waves of a tidal flat likely lapping near its feet, a new study finds.

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Alcohol & Marijuana Can Be Hazardous Mix, Study Suggests

People who use alcohol and marijuana together may be at greater risk for alcohol-related problems, such as drunk driving and health issues, than those who use only alcohol, a new study finds.

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The Myth of the Disappearing Book: Why We Care

E-book sales are falling, even though many said they would "kill" print books. Computers and television were also supposed to spell the book's demise. At one point, people even feared the phonograph.

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Italy Quakes: What Makes an Earthquake an Aftershock?

What differentiates earthquakes from aftershocks, and how do geologists interpret these events to understand what's happening in quake-prone regions?

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You Can 3D Print Your Own Mini Universe

Have you ever wondered what the universe looks like in all of its entirety, or how it would feel to hold the universe in the palm of your hand? Good news: It is now possible to do both of these things — all you need is a 3D printer.

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Mixing Energy Drinks with Alcohol Causes Brain Changes in Mice

Mice that were given energy drinks along with alcohol had changes in their brains similar to those seen in mice given cocaine.

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DNA From Mystery Human Species Detected in Pacific Islanders

Melanesians carry genetic clues for the existence of an unknown archaic human, new DNA data indicates.

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'Baby Universe' In The Palm Of Your Hand With 3D Print | Video

The oldest light in the Universe, known as the cosmic microwave background, is now available to be 3D printed for study. Dr. Dave Clements, a co-author of the study "Cosmic sculpture: a new way to visualise the cosmic microwave background" explains.

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Ancient 'Seal' Used Pool Ball-Size Eyes for Deep-Sea Hunting

About 10 million years ago, a seal-like creature likely dove to the dark ocean floor, using its large, pool-ball-size eyeballs to spot squid and other prey, new research finds.

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Mummified Poop Reveals Ancient Sloth Ate Mormon Tea and Saltbush

An extinct giant sloth once used a spacious cave not just as a shelter but also as a massive toilet, leaving droppings on the cave floor whenever nature called. Now, scientists have analyzed the sloth's mummified dung and determined what plants it ate.

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How to Argue Politics Without Losing Friends

The 2016 election has been an intensely personal race between Hillary Clinton and Donald Trump. Here are some tips for having a political discussion with friends or family members who are voting for the opposing side.

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Polarizing Politics: 5 Reasons the 2016 Election Feels So Personal

The mudslinging 2016 election has frayed friendships. And here's why.

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