Small Intestine: Function, Length & Problems

The small intestine is about as big around as a middle finger, but it is about 22 feet (6.7 meters) long.

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Kidneys: Facts, Function & Diseases

Kidneys are bean-shaped organs located on both sides of the spine, behind the stomach. Their main purpose is to keep the composition of blood in the body balanced to maintain good health.

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Stomach: Facts, Functions & Diseases

The stomach is a bean-shaped sack located behind the lower ribs. It is the first stop in the digestive tract before food moves on to the small intestine.

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Esophagus: Facts, Functions & Diseases

The esophagus is a tube that connects the throat (pharynx) and the stomach. Within it, muscles contract to move food to the stomach.

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Vitamin ZZZ? Sleep Could Fight Risk of Catching a Cold

Not getting enough sleep really does boost your risk of catching a cold, a new study suggests.

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'Lego-Stacking' Technique Could Help Scientists Grow Human Organs

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Another Fatal Brain Disease May Come from the Spread of 'Prion' Proteins

A rare and fatal brain disorder called multiple system atrophy (MSA) may be caused by a newly discovered prion.

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Was Ancient Jerusalem Podium a Lost-and-Found?

A podium that dates to the Second Temple Period may have been used as an ancient lost and found or a podium for itinerant street preachers, new excavations reveal.

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Titanic's Last Lunch Menu Up for Auction

Before they plunged into the icy waters of the North Atlantic, passengers aboard the Titanic may have feasted on corned beef, potted shrimp and dumplings.

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Lab-Grown Bones? They Could Make Painful Grafts History (Op-Ed)

With stem-cells and a novel scaffolding, researchers are developing a new approach to lab-grown bones.

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Robots on the Run! 5 Bots That Can Really Move

Boston Dynamics' sure-footed humanoid bot is one of many supermobile machines that are cool and capable.

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Fossils Show How Ancient Seafloor Gave Rise to Life

125-million-year-old microbes were trapped in ancient seafloor rocks by minerals, leaving a record from the earliest days of the Atlantic Ocean.

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Human Eye's 'Blind Spot' Can Shrink with Training

The blind spot of the human eye can be shrunk with certain eye-training exercises, a small new study suggests.

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Mako Shark Phones Home, Revealing Epic Journey

One of the toothy stars of "Shark Week" has just phoned home after five months at sea, revealing that this longfin mako shark was a prolific and deep-diving swimmer.

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Living Small: The Psychology of Tiny Houses

For a very small, but growing number of people, diminutive dwellings are making dreams come true.

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Elusive Sea Creature with Hairy, Slimy Shell Spotted After 31 Years

An elusive sea creature that boasts a vibrant golden shell covered in thick, slimy hair was recently spotted for the first time in 31 years, researchers say.

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Animal Sex: How Hyenas Do It

The complicated world of hyena sex involves social hierarchies, weird and potentially dangerous courtship rituals and female pseudopenises that make forced sex impossible.

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Parents: Talk About Alcohol When Kids Are 9

A new report advises parents to start talking to their children early about alcohol, in order to prevent dangerous consequences.

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Common Mullein: Stunning Photos of the 'Flannel Leaf' Plant

Common mullein, Verbascum thapsus, is a perennial herb that was first introduced into the United States in the mid-1700s. Check out these photos of a fascinating plant.

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10 Years After Hurricane Katrina: Have Weather Forecasts Improved?

Though meteorologists knew Hurricane Katrina would slam New Orleans with levee-toppling intensity, today's weather forecasters are even better equipped to give notice of a storm's coming havoc.

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20 Startling Facts About Insects

The most successful creatures on the planet, insects are a wild bunch. From six-legged critters with forehead eyes and breathing holes on their sides to a dragonfly with a 2.5-foot wingspan, here are some of the most amazing and wacky insect facts.

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Colon (Large Intestine): Facts, Function & Diseases

The large intestine, also called the colon, is part of the final stages of digestion. It is a large tube that escorts waste from the body.

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Using Loopholes, Nature May Save Galápagos Penguins (Op-Ed)

The Galápagos are more than a life raft in Pacific currents — they actually alter the Pacific currents, and in so doing, help feed the islands' residents.

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Only One-Third of Psychology Findings May Be Reliable - Now What?

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Lucy Liu Welcomes a Baby: 4 Reasons Why Couples Use Surrogates

There are many reasons why women and couples chose surrogates to be part of their fertility treatment.

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Hurricane Katrina's Stark Changes Endure in Images from Space

Louisiana's dramatically enlarged lakes and inundated marshes — stark reminders of Hurricane Katrina’s ferocity 10 years ago — are prominent in a new satellite image.

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Panda Bros: Twin Cubs Were Fraternal Brothers, Tests Show

Twin pandas born at the Smithsonian's National Zoo would have been fraternal brothers, if the firstborn cub hadn't died just five days after making its debut on Earth.

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Catastrophic Volcanoes Blamed for Earth's Biggest Extinction

Catastrophic volcanic eruptions about 250 million years ago spewed enough lava to cover Australia, triggering Earth's worst mass extinction, in which 90 percent of sea creatures were wiped off the face of the planet, scientists say.

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Ouch! Volunteers Get Tick Bites for Science

In a new study, 10 volunteers had lone star ticks feed on them for 15 minutes so researchers could closely examine the bites that these bugs cause.

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Serving Size Stumper: What's a Reasonable Amount to Eat?

An update to the serving sizes listed on food labels will better reflect the amount of food people actually eat, the Food and Drug Administration (FDA) says. But determining an appropriate serving size may be trickier than you think.

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Marijuana Use May Lower Sperm Counts 'Quite a Lot'

Smoking pot frequently may lower men's sperm counts, a new study finds.

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Earth's Moving Mantle Leads to Earthquakes in Unusual Places

It has long been a mystery why some earthquakes strike towns in seemingly earthquake-proof regions, but researchers now have a potential explanation for why temblors sometimes rattle where they're not expected.

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In Photos: Spartan Temple and Cultic Artifacts Discovered

Photos reveal what may be the long-lost palace of Sparta, one of the most famous civilizations in ancient Greece. The palace and striking artifacts may shed light on a mysterious period in the history of the mysterious Mycenaean civilization.

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Sexual Harassment in the Animal Kingdom? How Female Guppies Escape

When boy guppies pester the girls they like, it can actually make the female fish better at swimming away, a new study finds.

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'Science of Mom': Author Sifts Through Childrearing Facts & Fictions

New mom and scientist Alice Callahan teaches other parents how to interpret studies on childrearing so that they can make informed decisions.

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Psychedelic Swirls Show Algae Bloom from Space

Dreamy swirls and loops seen on satellite represent a cyanobacteria bloom in the Baltic Sea.

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Unforgettable Images Capture Volcano Rumbling to Life

New images have captured the eruption and ash plumes coming from a towering volcano that looms over Quito, Ecuador.

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The FDA's New Serving Sizes May Backfire — Here's Why

Pop quiz: What exactly is a "serving size"? In a new study, just about 20 percent of people answered this question correctly, saying that serving size is how much people typically eat in one sitting.

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Should You Stop Counting Calories?

To better fight obesity and its related diseases, people should stop counting calories and instead focus on eating nutritious foods, several researchers argue in a new editorial.

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Rain with Chance of West Nile: Weather Could Predict Outbreaks (Podcast)

Predicting West Nile outbreaks may soon become as common as predicting the weather.

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HIV-Related Virus Has Existed in Primates for Millions of Years

Viruses related to the human immunodeficiency virus (HIV) have infected Old World monkeys as far back as 16 million years ago, according to a new study.

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Pockets of Lower Vaccination Rates Remain Across the US

Most infants and kindergartners in the United States are up-to-date with their vaccinations, but there are some areas where vaccination rates are lower, potentially increasing the risk of disease spread there.

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Still Breaking Bad: Meth Lab Injuries on the Rise, CDC Reports

Meth lab injuries are on the rise in some parts of the U.S., according to a new report from the Centers for Disease Control and Prevention (CDC).

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Man Has Polio Virus Living in Gut for 30 Years

A man in the United Kingdom experienced a very rare complication of the Polio vaccine he received in childhood.

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New Math Could Reveal Hidden Sources of Chaos

A new definition of the inherent unpredictability of chaos could reveal seemingly smooth situations that have a hidden propensity for chaos

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Mars Hoaxes: Why We Believe

Mars is not going to look as big as the moon in the night sky. But the fact that we want it to may say something about us.

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Why Knut the Polar Bear Died So Suddenly

Knut the polar bear, the global sensation that captured the public imagination, died of an autoimmune disorder that caused his immune system to attack his brain.

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Creepy Kangaroos: Why They Stand So Still

A field of grey, motionless kangaroos staring down a bicyclist in a recent YouTube video is not evidence of marsupial zombies, scientists say — though the pouched Australians look eerily possessed.

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Pointing the Way: 3D Computer Cursors Could Navigate Virtual Worlds

Forget everything you thought you knew about computer cursors. Researchers have come up with a way to turn cursors into a tool that can navigate around 3D space.

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Mars Hoaxes! 6 Stubborn Red Planet Conspiracy Theories

Here are some misconceptions about Mars that just won't die.

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What If Doctors Could Heal Broken Genes? (Op-Ed)

Broken genes wreak havoc, but new technologies may soon allow for precision repairs.

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What Is Fiber?

Dietary fiber is a plant-based nutrient that is sometimes called roughage or bulk. Fiber is important to digestion and regularity, weight management, blood sugar regulation, cholesterol maintenance and more.

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Birth Order Peril: Firstborn Women More Likely to Be Obese

Second-born siblings may argue that firstborns get all the glory, but there may be a health benefit to coming in second.

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Baby Panda Twin Dies at National Zoo

One of giant panda Mei Xiang's twin cubs died today (Aug. 26), just five days after its birth, the Smithsonian's National Zoo in Washington, D.C., reported.

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'McWhopper' Mega-Burger Would Have Mega-Calories

Burger King is proposing a one-day truce with its fast-food competitor McDonald's to create the "McWhopper," a combination of the Big Mac and the Whopper. But just how many calories would this conglomeration have?

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Why America Is Prone to Mass Shootings

Violent crime is complex, but America's dual obsession with guns and fame may explain the nation's high rates of mass shootings.

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NASA: Rising Sea Levels More Dangerous Than Thought

Sea level rise is occurring right now, but the magnitude and speed of the rise in the future is still a big unknown.

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What's Blue with Legs All Over? New 3D Avatar Millipede

The 3D cyberportrayal of a newfound millipede looks like it hopped from the screen of James Cameron's "Avatar," with a blue body and alien appearance to boot.

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Photos: Creepy-Crawly Millipede Scanned in 3D

A creepy-crawly millipede is the first newfound species to be described with a 3D imaging method called high-resolution X-ray microtomography (microCT).

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Micro-CT Scan Reveals New Millipede Species' Gonads and Vulva | Video

The new species of millipede (Ommatoiulus avatar n. sp., family Julidae) was imaged with high-resolution X-ray microtomography (micro-CT). This is the first study to use micro-CT is describe a new species.

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What Household Dust Says About You

Household dust contains menageries of microscopic life that differ greatly from each other depending of where a person lives, what pets a person has, and how many people in the house are male or female, researchers say.

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22 Years of Sea Level Rise Measured From Space | Video

Global ocean levels have risen about 6 cm (2.3 in) over the past two decades, matching models consistent with human-induced climate change. NASA monitors sea heights and other parameters with the Jason satellite series.

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Lost Palace of Sparta Possibly Uncovered

An ancient cultic temple and palace that once belonged to the lost Mycenaean culture was unearthed in a region of Sparta.

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Placenta 'Switch' that Kickstarts Labor May Solve Long-Standing Mystery

An epigenetic switch may explain the hormone cascade that kicks off labor, offering hope for the prevention of preterm births.

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Does Marijuana Change the Brain?

Some people who smoke pot do show changes in brain development, but those changes seem to be dependent on genes and other factors.

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Has Stephen Hawking Just Solved a Huge Black-Hole Mystery?

Hawking and two colleagues propose that information isn't destroyed at the heart of a black hole; it's stored at the black hole's boundary in holographic form.

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Insecure Men May Be More Prone to Violence

Researchers found that men who feel they fall short of society's "macho man" standards and are unhappy about it may be more likely to commit violent assaults using weapons than men who are comfortable with their masculinity.

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Diamonds from Ancient Ocean Revealed

Diamonds can form with the help of ancient saltwater, say researchers who have identified the gems from oceanic crust dating back as far as 200 million years ago.

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What Are Carbohydrates?

Carbohydrates — one of the basic food groups — are the sugars, starches and fibers found in fruits, grains, vegetables and milk products. They are important to a healthy life.

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Vitamin A: Sources & Benefits

Vitamin A is good for healthy vision, skin, bones and other tissues in the body. Vitamin A often works as an antioxidant, fighting cell damage, but it also has many other uses.

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Plague Cases in US Are Unusually High This Year

There's been an unusually high number of plague cases in the United States this year, according to a new report from the Centers for Disease Control and Prevention (CDC).

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Nearly 1 in 5 Children and Teens Are Obese

More than one-third of American adults are obese, and now, a new report shows that children and teens aren't far behind.

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What Women Don't Know About Stroke Could Kill Them (Op-Ed)

For women, some warning signs for stroke — from hiccups to chest pain — are not what you might suspect.

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Women's Sexuality May Depend on Romantic Options

Women who are less attractive are likelier to label themselves bisexual or lesbian, new research suggests.

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Will Future Generations Preserve the National Parks? (Op-Ed)

What's the best way to maintain U.S. national parks? Show up.

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Amazing 'Red Lightning' Photographed from Space

Like a giant jellyfish floating through the atmosphere, red sprites hover above thunderstorms in two new photographs snapped from space by astronauts aboard the International Space Station.

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Man's 'Bionic Penis' Is Not So Rare After All

A man in the United Kingdom made headlines recently when he had surgery to give him a so-called "bionic penis," but experts say the man actually had a penile implant — a device that is not uncommon.

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Tiny Origami Microscope Reveals Hidden Life Teeming in the Amazon

A tiny, foldable microscope can be made of paper, uses no power and can magnify objects up to 2,000 times its original size.

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'Panda Swap' Keeps Newborn Twins in Mom's Care

Zookeepers are playing a complicated game of "baby swap" with two new pink and fuzzy panda twins at the Smithsonian's National Zoo in Washington, D.C.

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Photos: Origami Microscope Reveals Amazon Creatures

A new pocket microscope made of paper can be folded into shape in 10 minutes and used to discover the hidden beauty of nature.

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Photos: New Panda Twins Keep D.C. Zookeepers Busy

The Smithsonian’s National Zoo is home to two new twin panda cubs.

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Sumatran Rhino Goes Extinct in the Wild in Malaysia

The Sumatran rhino is now considered extinct in the wild in the Southeast Asian country of Malaysia, according to a new study.

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Vitamin B2 (Riboflavin): Sources, Benefits and Dosage

Riboflavin is a B-complex vitamin that helps the body break down carbohydrates, proteins and fats to produce energy.

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Fire Fountains of the Ancient Moon Explained

The ancient lunar surface once erupted with geysers of lava — and now, scientists think they know what caused these fiery fountains.

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10 Years Since Katrina: The Climate Connection is Clear (Op-Ed)

Two scientific papers inspired a media firestorm shortly after Katrina, polarizing popular opinion and, to some extent, scientists themselves, on whether global warming was in some way responsible for Katrina.

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Origami Mini-Microscope Spies On Mite's Movements | Video

Stanford University researchers have developed a folding lens that turns a cell phone into a microscope. It’s made with simple materials (paper and glass balls) for under a dollar. Watch a mite in action through: http://ift.tt/1g2bZRN.

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Jet of Electric Current Boosts Space Weather at Equator

Solar explosions can threaten power grids even in areas near the equator, places long thought safe from such disruptions from the sun, say researchers who studied a weird flow of electricity pulsing above the equatorial regions.

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Deadly 2005 Hurricane Season - What Powered It? | Video

27 ‘named storms’ formed over the warm waters of the Atlantic Ocean in 2005, which spawned the most category 5 storms in a single season. NASA and NOAA tracked the paths of these killers. [On average there are only 10 storms per year.]

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NASA & NOAA Now Understand Killer Hurricane Katrina’s Deadly Details | Video

Data from the GOES-5 satellite drove this simulation, illuminating the wind intensities and water vapor transport powering the massive category 5 storm, which ravaged New Orleans, Louisiana and adjoining areas in 2005.

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Crystal Skulls & Ape-Man Bones: 6 Archaeological Forgeries That Tried to Change History

From crystal skulls claimed to be from the lost city of Atlantis (or aliens) to a runestone said to have been carved by Vikings and even a "missing link" hoax, here are six artifacts, widely believed to be forgeries, which could have changed history.

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Vigorous Flossing Caused Woman's Knee Infection in Strange Case

A woman got a nasty bacterial infection in her knee, and her vigorous tooth-flossing regimen may be to blame, a new case report finds.

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Compounds in Flax & Sesame Seeds May Prevent Weight Gain

Compounds found flax and sesame seeds may help prevent or slow weight gain in women, a new study suggests.

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Origins of 'Gospel of Jesus's Wife' Begin to Emerge

New research on the papyrus' ink points to the possibility that the Gospel of Jesus's Wife is authentic, while newly obtained documents may shed light on the origins of the business-card-sized fragment.

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Mini Frog, Bat with Freakish Tongue Found in Bolivia

A "robber frog" with beady, gold-rimmed eyes and a bizarre bat with a record-long tongue are among the menagerie of species discovered during an expedition in Bolivia.

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Free Pass! National Parks Waive Admissions Fee on Tuesday

In celebration of its 99th birthday, the U.S. National Park Service (NPS) is providing free admission to all of its sites for one day next week.

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Women Are More Likely to Initiate Divorce, But Not Dating Breakups

Women are more likely than men to initiate divorce in the United States, but they are no more likely than men to initiate breakups in a dating relationship, a new study finds.

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Young Woman's 'Hysteria' Turned Out to Be Deadly Heart Condition

A 29-year-old woman went to the ER because she felt hysterical, and unable to calm down. But doctors soon found the true problem.

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The Science of Breakups: 7 Facts About Splitsville

Breakups can have severe emotional aftermath... or not. Here's a look at what science says about splitting up.

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The Alaskan Arctic Oil Drilling Controversy Explained (Infographic)

Oil companies plan to extract billions of barrels of crude oil from beneath Alaskan lands and Arctic seas that are at risk for environmental damage.

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Corpse Flower: Facts About the Smelly Plant

The corpse flower is a pungent plant that blooms rarely and only for a short time. While it is in bloom, the flower emits a strong odor similar to rotting meat or, aptly, a decaying corpse.

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Bend & Snap: Origami Inspires New Ways to Fold Curved Objects

A new mathematical rule explains how simple, 3D curved surfaces — such as domes or saddles — can be folded and snapped into new positions or to form different structures.

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Gruesome Meal: Seagulls Snack on Baby Seals' Eyeballs

The kelp gull has a few unsavory eating habits.

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California Is Sinking, NASA Imagery Shows

To adjust to the incredibly parched conditions in the Golden State, Californians are pumping groundwater and causing the ground to sink even faster than expected.

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Stunning 'Fire Rainbow' Formed by Halo of Ice

A so-called fire rainbow filled the sky with a haze of colors over Charleston, South Carolina, on Sunday (Aug. 16) in a recent photo posted to Twitter by Tiffany B. Jenks.

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Jimmy Carter Gets New Melanoma Treatment: Here's How It Works

To treat Jimmy Carter's cancer, doctors will use one of the newest advances in cancer therapy — a class of drugs that turns the immune system against cancer.

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Superbeasts: Meet the 'Fantastic Four' of the Animal Kingdom

Get the science scoop on the animal kingdom's Mr. Fantastic, Invisible Woman, Human Torch and Thing. Can you guess which animals make the cut?

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Baboon Fossil Skull Is Earliest Ever Discovered

A 2-million-year-old skull unearthed in South Africa belongs to the earliest baboon ever found, a new study finds.

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New Robotic Exoskeleton Is Controlled by Human Thoughts

The future is here, and it looks like a pair of robot legs that you control with your mind.

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Breast-Fed Babies Show Buildup of Potentially Harmful Chemical

Babies who are breastfed can build up worrying levels of a potentially harmful class of industrial chemicals, a new study finds.

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Human Ancestors May Have Butchered Animals 3.4 Million Years Ago

Ancient marks on 3.4-million-year-old animal bones were not caused by trampling — a finding that raises the odds that they were made by deliberate cutting by human ancestors.

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Women's Libido Pill Faces Skepticism After Approval

Addyi, the new libido-enhancing pill for women, was approved by the FDA, but many health care professionals are still skeptical about whether women really need the drug.

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Bad Habits Put Many Contact-Lens Wearers at Risk of Eye Infection

Most U.S. contact wearers engage in bad hygiene habits with their lenses that could increase the risk of eye infection, according to a new report.

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If Pluto Keeps Spewing Nitrogen, Why Is It Still Full of It?

Something mysterious is happening on the surface of Pluto: No matter how much nitrogen the atmosphere releases into space, it's still chock-full of the stuff. New work examines the possible culprits for the stealthy nitrogen resupply.

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Danny Becomes First Atlantic Hurricane of the Season

The Atlantic just got its first hurricane of the season. According to the latest update from National Hurricane Center, Danny passed the hurricane test with wind speeds in excess of 75 mph and a developed eye.

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No Asteroid Is Threatening to Hit Earth Next Month, NASA Says

For the last few months, rumors have circulated that a big asteroid will slam into Earth near Puerto Rico between Sept. 15 and Sept. 28, wreaking widespread destruction. Don't believe the hype.

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Chinese Cave Graffiti Tells of Ancient Droughts & Strife

Graffiti in an ancient cave in China reveals a history of droughts in the region, and may portend climate troubles, new research suggests.

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Plague Cases in California: What's Behind the Rise?

After nearly 10 years without a case of plague, California has seen two cases already this summer. What's behind the return of plague to the state?

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Wormhole Created in Lab Makes Invisible Magnetic Field

Physicists have created a so-called magnetic wormhole that transports a magnetic field from one point to the other without being detected.

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Ghostly Particles from Outer Space Detected in Antarctic

A frozen observatory has spotted ghostly, nearly massless particles coming from inside our galaxy and points beyond the Milky Way. Finding these cosmic neutrinos also sheds light on the origins of cosmic rays, the researchers said.

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Can You Trust Wikipedia on Science?

Controversial and more specific science pages on Wikipedia may contain less trustworthy, overly technical or limited information, research suggests.

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IceCube Photos: Physics Lab Buried Under Antarctic Ice

Photos reveal the huge laboratory under Antarctica's ice where detectors scan the heavens for ghostly particles called neutrinos.

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Denver's 'Corpse Flower' Really Does Smell Like Rotting Meat

A rare bloom from a huge tropical plant has crowds in Denver waiting in line for hours.

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Photos: Stinky 'Corpse Flower' Blooms

A towering corpse flower, or titan arum, is blooming in Denver. The teenage plant is a novice, as this is its first time opening up a flower bud, and generating the stinky rotting-flesh smell that attracts not only flies but also humans with cameras.

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Lake Mead's Water Sinks to Lowest Level Since 1930s

Years of unrelenting drought are straining a large reservoir of water between Nevada and Arizona, new satellite images reveal.

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Skin Cancer More Aggressive with Fewer Moles Present

People who have fewer moles may be at higher risk for aggressive skin cancer than those with more moles, according to a new study.

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Do Great White Sharks Grow Forever?

A marine scientist is dwarfed by what is being called the biggest shark ever caught on camera in a recent video taken near Mexico's Guadalupe Island. How did this 20-foot-long (6 meters) great white Internet sensation become such a behemoth?

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Vitamin B6: Sources, Benefits and Dosage

Vitamin B6 is important to maintaining a healthy body and developing a healthy brain.

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'Smart Drug' Modafinil Actually Works, Study Shows

The "smart drug" modafinil improves performance on long and complex tasks, and also enhances decision-making and planning skills in certain people, a new study finds.

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Giant 'Battle Bot' Could Get Makeover Ahead of Epic Duel

Finally, there's a crowdfunding campaign for people who want to watch giant robots fight to the death.

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Photos: Massive 'Battle Bot' Gears Up for Robot Duel

Megabots, Inc., a Boston-based company, is building a huge, human-operated "battle bot" for an upcoming robot duel.

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New GMO Controversy: Are the Herbicides Dangerous?

Although genetically modified organisms (GMOs) themselves don't appear to have ill effects on human health, some researchers argue that the herbicides used on these crops are an overlooked health threat.

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'Vomit Machine' Built to Study Dreaded Norovirus | Video

Researchers at North Carolina State University have developed a "vomiting device" to study the transmission of norovirus -- the dreaded stomach bug that causes diarrhea, nausea, vomiting and stomach pain.

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Vomit Machine Proves Viruses Can Go Flying

Vomiting creates a fine spray of airborne virus particles, a vomit device proves.

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Giant, Stinky 'Corpse Flower' Blooms in Denver

The first-ever bloom of a stinky "corpse flower" in the Rocky Mountain region is happening here today (Aug. 19).

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Spot Has Your Back: Dogs Avoid People Who Slight Owners

Dogs may play catch, obey commands and even share the occasional dessert with their owners, but can they understand simple interactions between people?

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Long Misunderstood, Hummingbird Tongue Works Like Micropump

The slender hummingbird tongue has been misunderstood for more than 180 years, a new study finds.

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Photos: Hummingbirds Slurp Up Tasty Nectar

The exact way hummingbird tongues work has long eluded scientists — until now.

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Fatal Brain Disease Can Show Up 40 Years After Hormone Treatment

An outbreak of a rare and fatal brain disease tied to human growth hormone treatments in the 1950s through the 1980s continues even today, decades after the hormone treatments were stopped.

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California Wildfires: Can Burning Marijuana Fields Get You High?

Marijuana is burning in California, but nobody feels buzzed about it.

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Hummingbird Tongues Are 'Micropumps' | High-Speed Video

New research has revealed that the hummingbird tongue "acts as a tiny pump" instead of the long-standing "capillary tube" belief. Several variety of hummingbirds were studied to make the find.

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Vitamin K: Sources & Benefits

Vitamin K is known as the “blood-clotting vitamin” for its important role in healing wounds.

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'Skydiving' Spiders Don't Need Wings to Fly

Certain spiders have evolved a novel way of gliding through their rainforest habitat.

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Amazing 'Flying' Spiders Glide to Safety | Video

The "Flattie" spider (Selenops spp.) has the ability to change direction in mid-air by moving its front legs. They live in the tropical rain forest canopy and have developed this ability to avoid landing on the on the forest understory.

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Land Vanishes Under Monsoon Floods in New Satellite Image

A river in Myanmar appears swollen with monsoon rain in a new photo taken from space.

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E-Cigarette Use May Be Gateway to Conventional Smoking

Teens who "vape," or use electronic cigarettes may be more likely to start smoking regular cigarettes than teens who have never tried e-cigarettes, according to a new study.

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'Eiffel Tower' Prominence Towers Over The Sun

An astrophotographer spotted a beautifully-formed solar prominence that looks like a giant version of the famous Parisian landmark.

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Photos: Ancient Flowering Plant May Have Lived with Dinosaurs

Fossils of one of the oldest flowering plants on Earth date back to the early Cretaceous period, approximately 125 million to 130 million years ago.

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Weight Loss Drugs: Pros and Cons of 5 Approved Prescriptions

There are five medications approved in the U.S. for the long-term treatment of obesity, but none can take the weight off without the help of diet and exercise.

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Big Human Relative Sported Modern Hands

Scientists have discovered the oldest known fossil of a hand bone yet to resemble that of a modern human. The hand belonged to an unknown human relative who would've been much taller and larger than any of its contemporaries.

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In Photos: Raising a Sunken Confederate Warship

Officials are pulling out pieces of the CSS Georgia, a Confederate warship, from the depths of the Savannah River, 150 years after the ship's crew deliberately sunk it.

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'Winged Monster' Rock Art Finally Deciphered

The mystery surrounding the ancient rock paintings of Utah's Black Dragon Canyon has finally been solved.

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Photos: 'Winged Monster' Rock Art in Black Dragon Canyon

Creationists and researchers have long debated how to interpret the rock art adorning Black Dragon Canyon in Utah.

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Why the 'Prime Meridian of the World' Shifted Hundreds of Feet

A line of longitude on maps called the Prime Meridian of the World has shifted 334 feet to the east, thanks to satellite measurements.

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Ghostly Particles Detected Beneath Earth

Using giant vats of organic liquid buried under a mountain in Italy, scientists have shed new light on the origins of ghostly particles known as neutrinos generated by the Earth. The finding may reveal how radioactive elements affect Earth's interior heat

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Why California's Droughts are Just Going to Get Worse (Op-Ed)

For many parts of California, an end to the cycle of drought may just be wishful thinking.

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Record-Breaking Laser Hits 2,000 Trillion Watts

The most powerful laser beam ever created has been recently fired at Osaka University in Japan, where the Laser for Fast Ignition Experiments (LFEX) has been boosted to produce a beam with a peak power of 2,000 trillion watts.

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Medicine's Dark Side: Docs' Bad Behavior Exposed

Two shocking accounts of doctors behaving inappropriately while their patients were under anesthesia came to light in an essay published today in a respected medical journal.

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Mass Grave Suggests Ancient Village Wiped Out by Massacre

A 7,000-year-old mass grave holding at least 26 adults and children, many of them with smashed skulls and broken legs, is likely evidence of an early Neolithic massacre, a new study finds.

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Post-Workout Ice Baths May Weaken Muscles

Soaking muscles in cold water after workout may do more harm than good, a new study finds.

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World's First Flowers May Have Bloomed Underwater

A fluffy, frondy plant that wouldn't look out of place in a lake today was one of the oldest flowering plants on Earth, new research finds.

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Mom's Bacteria During Pregnancy Linked with Preterm Birth

The bacteria in a pregnant woman's body may provide clues to her risk of going into labor early, according to a new study.

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Confederate Warship, Weapons Recovered from Georgia River

The armored husk of a Confederate warship is being raised out of the depths of a Georgia river, 150 years after the ship's crew deliberately sunk it.

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People with ALS May Consume More Calories, But Weigh Less

A new study finds that shortly before a diagnosis of ALS, people with the condition have a higher calorie intake, but lower BMI, than people who don't develop ALS.

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Swim On! Rescued Great White Shark Likely Still Alive

A great white shark famously saved last month by Cape Cod beachgoers is likely still alive and swimming, said a shark expert.

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Newborn Vitamin K Shot Is Not A Vaccine | Video

Some parents of newborns are opting out of all shots for the baby shortly after birth and unknowingly turning down the Vitamin K injection.

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New Temperature Record Is Huge Achievement for Superconducting

A new record-high temperature has been achieved for superconductors — extraordinary materials that conduct electricity without dissipating energy.

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Asia's Rapidly Shrinking Glaciers Could Have Ripple Effect

The glaciers in the Tian Shan mountains in the heart of Asia have lost more than a quarter of their total mass over the past 50 years, a rate of loss about four times greater than the global average during that time, researchers said.

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'Sea Monster' Figurehead Hauled from the Baltic Sea

A monstrous figurehead from a 15th-century Danish warship has been removed from the Baltic Sea.

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Photos of a Terrifying 'Sea Monster' Ship Figurehead

A monstrous figurehead from a 15th-century Danish warship has been removed from the Baltic Sea.

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10 Extinct Giants That Once Roamed North America

Until the end of the last ice age, American cheetahs, enormous armadillolike creatures and giant sloths called North America home. But it's long puzzled scientists why these animals went extinct about 10,000 years ago.

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3 Critical Fixes for the US Health Care System (Op-Ed)

Giving patients more control may prove a critical fix for the U.S. health care system.

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Parents, Choose the Shot: Every Newborn Needs Lifesaving Vitamin K

Vitamin K can save your baby's life, do not refuse the shot.

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Are Vitamin E Supplements Healthy or Harmful?

Are vitamin E supplements risky? For most of us, the answer may be yes.

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'Best Meteor Shower in Years': Perseids Put on a Spectacular Show

The moon posed no obstacle as the Perseid meteor shower peaked last night, giving skywatchers the best views of shooting stars in years — even in areas that normally have too much light to see a thing. And the show will be back on tonight, although there

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Found! 'Young Jupiter,' the Smallest Exoplanet Directly Seen by Telescope

Astronomers have detected the smallest alien planet yet to be directly photographed by a telescope on Earth, a methane-shrouded gas giant much like a young Jupiter. The planet 51 Eridani b orbits a star 96 light-years from Earth and resembles a young Jupi

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26-Year-Old 'Corduroy' Crowned World's Oldest Living Cat

Twenty-six is old … if you're a cat.

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How a Tick Bite Can Lead to Limb Amputations

A woman in Oklahoma who contracted Rocky Mountain spotted fever from a tick bite recently needed to have all four of her limbs amputated as a result of her infection. But exactly how does this disease cause such a severe complication?

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Astronomical Sleuths Investigate Famous Times Square Kissers

Scientists recently teamed up to help solve a World War II-era mystery.

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Tianjin Explosions Seen from Space (Photo)

After two giant explosions in Tianjin, a black plume of smoke snaked over China's Bohai Sea.

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How to Combat the Global Cybercrime Wave (Op-Ed)

Cybercrime knows no borders — neither should the effort to fight it.

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People's Color Perception Changes with the Seasons

People perceive the color yellow differently in summer versus winter, perhaps because the difference in foliage requires a different color balance in the eye.

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Disappearing Lake Shows Drought's Extent in New Space Image

A lake straddling the California-Oregon border looks like an empty swimming pool in new photos taken from space.

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Medieval Earthquake Moved River 12 Miles

A 1570 earthquake in Italy shifted the Po River's right bank upward by several inches, forcing the river to change course.

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Plankton Graveyards Revealed in First Digital Map of Seafloor

The dead bodies of plankton cover a surprising amount of the ocean floor, according to the first digital map of global seafloor composition.

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Electrifying Photo Takes Internet by Storm: Why Rainbow Lightning Is So Rare

A real-estate agent and storm chaser captured a snapshot of a lifetime on Aug. 9, when he photographed a rare duo — an eerie flash of lightning framed by a glorious rainbow — in Tucson, Arizona. Here's how the two phenomena happened.

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Why Do Breakups Hurt More for Women? Blame Evolution

Your gender might affect how you experience a broken heart.

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El Niño Could Rank Among Strongest on Record

This year's El Niño looks to rank among the strongest on record, with potential U.S. weather impacts.

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Devoting a Lifetime to Saving Coral Reefs

Coral reefs are key to wildlife, and human, survival — and they may yet be saved.

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Jimmy Carter's Cancer: How Doctors May Find Where It Started

Former President Jimmy Carter has not revealed much about his recent cancer diagnosis, but an important part of caring for anyone with cancer is finding out where the disease started.

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'Spaghetti Monster'? Deep-Sea Critter Has Pasta-Like Appendages

It's white. It's weird. It looks like a bowl of noodles turned upside down underwater. What is it?

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Mobile Health Tech Looks Promising, But Does It Work?

Smartphone apps and wearable devices have the potential to help Americans improve their heart health. But right now, there's not enough evidence to evaluate whether all this technology actually helps people get healthier.

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Beautiful Corals in Home Aquariums Can Poison You

Aquarium enthusiasts and people who work in aquarium stores should be aware that some types of coral produce dangerous toxins.

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Paying for Nature's Bounty? It's the Cheaper Alternative (Op-Ed)

It may seem unusual to pay for something as, well, natural as nature, but a new economic model suggests just that, and it seems to be working, argues Jane Carter Ingram.

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Photos: Ancient Man-Made Monolith Discovered in Mediterranean Sea

During a high-resolution mapping of the Mediterranean seafloor, researchers discovered an enormous stone monolith resting in the Sicilian Channel.

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Ancient Monolith Suggests Humans Lived on Now-Underwater Archipelago

During a high-resolution mapping of the seafloor surrounding Sicily, researchers discovered an ancient treasure: a stone monolith spanning 39 feet (12 meters), resting on the bottom of the Mediterranean.

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Low-Fat vs. Low-Carb Diets: Which Trims More Fat?

Following a low-fat diet may help dieters lose more body fat than following a low-carb diet, according to a new study.

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Drones Spook Bears

Bears apparently seem to find UFOs unbearable — airborne robots and other unidentified flying objects can make bear hearts beat four times faster, researchers say.

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'Exercise Hormone' Irisin Really Does Exist

The "exercise hormone" irisin has generated controversy among scientists — some have called the hormone a myth, but a new study says it proves irisin exists.

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Supersniffing Ants Smell Things Humans Can't

Ants may be experts at sniffing out body odor, according to a new study that reveals these insects have a "high-definition ability" to detect tiny chemical changes in the pheromones other ants give off.

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Genes Confirm: Octopuses Are Brainy and Weird

Forr the first time, scientists have sequenced the genome of the eight-legged rock star, revealing how its complex noggin evolved.

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Melanoma Risk May Be Higher After Organ Transplant

People who receive organ transplants may have an increased risk of developing the deadly skin cancer melanoma, according to a new study.

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Futuristic Exoskeleton Keeps Clumsy Robot from Falling Over

To keep a robot from toppling over, researchers built a futuristic exoskeleton that gives bots humanlike reflexes.

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9 DIY Ways to Improve Your Mental Health

Some mental health problems require a therapist. Other times, we just need a mental readjustment. Here are 9 ways you can improve your mental health right now.

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Ancient Footprints Show Dinosaur Duo Walking Along the Beach

About 142 million years ago, two carnivorous dinosaurs wandered along a beach and left their large footprints behind in the sand, a new study finds.

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Clever Creature: Photos of the California Two-Spot Octopus

These amazing photos reveal the California two-spotted octopus, which just had its genome sequenced to reveal the underpinnings of the cephalopod's complex brain and wacky behaviors.

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'Overshoot Day' 2015: Earth is Now Officially in the Red

People are using up the Earth's resources, and August 13 marks the pivot point for 2015.

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King Tut's Tomb May Hide Nefertiti's Secret Grave

King Tutankhamun's tomb has the faint etchings that may point to a hidden doorway, which one researcher thinks holds the tomb of Nefertiti.

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Neighborhood Marijuana Shops Linked to Pot-Related Hospital Stays

California neighborhoods that have more medical marijuana dispensaries may also have more hospitalizations related to marijuana abuse or addiction, a new study finds.

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Sneaky Octopus Tricks Shrimp | Video

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Beak to Beak: Octopus Has Unusual Sex, Feeding Rituals

A very unusual octopus has scientists wondering just how well they really know the mysterious eight-armed creatures that inhabit the world's oceans.

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Mystery Deepens: Matter and Antimatter Are Mirror Images

Matter and antimatter appear to be perfect mirror images of each other, scientists have discovered with unprecedented levels of precision, foiling hope of solving the mystery as to why there is far matter than antimatter in the universe.

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Are Smart Mini Sensors the Next Big Thing? (Op-Ed)

Smart sensors are everywhere, and will soon inform nearly every aspect of our lives.

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Trans Fat Linked to Heart Disease, Huge Study Review Concludes

People who eat more trans fat face an increased risk of heart disease, a new study finds. But the same is not true of people who eat more saturated fat, the researchers said.

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Colorado Mine Spill Aftermath: How to Clean a River

An accidental breach by an EPA cleanup crew sent 3 million gallons of acidic, heavy-metal-laden water into Colorado's waterways. How do you clean up a river? The answer is twofold: treatment and dilution.

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Contaminated River: Photos of a Colorado Mine Spill

Three million gallons of water contaminated with heavy metals and other toxins spilled out of Colorado's Gold King Mine, turning the Animas River a mustard color and contaminating waterways. Here's a look at the toxic spill.

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Cheers! Yeast's Evolutionary Journey Gave Beer Its Flavor

Beer's essential ingredient, yeast, has a fascinating evolutionary story that begins in a cave more than 500 years ago.

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Hiking in Bear Country? How to Prevent an Attack

News of a grizzly bear attacking a 63-year-old man, who was a skilled hiker, in Yellowstone on Friday (Aug. 7), may have even avid adventurers wondering what's the best way to escape the long and curved claws of such a wild animal.

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Why Your Eyes Dart Around When Dreaming

People are literally seeing images in their dreams when they undergo the rapid eye movements characteristic of certain stages of sleep, new research suggests.

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6 Myths About Miscarriage

Although miscarriage is very common, secrecy about pregnancy loss has lent itself to pervasive myths.

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Smart People Live Longer — Here's Why

Intelligence is associated with longevity largely due to the influence of good genes, new research suggests.

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Sea Lion 'Aerospace': High-Thrust, Low Wake

Despite being fast, efficient and agile, this sea lion swimming technique is quite different from the way other large fish and marine mammals move through the water.

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Vitamin C (Ascorbic Acid): Sources, Benefits and Dosage

Vitamin C is important to many functions in the body. Many fruits and vegetables are good sources of vitamin C. Research is mixed on whether it really helps treat the common cold.

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The Dangers of Going Gluten-Free (Op-Ed)

Wheat has tremendous nutritional benefit — most people should not be avoiding gluten.

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Niacin (Vitamin B3): Benefits & Side Effects

Niacin is an essential vitamin that helps the digestive system, skin and nervous system to function.

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Trans Fat Linked to Heart Disease, Huge Study Review Concludes

People who eat more trans fat face an increased risk of heart disease, a new study finds. But the same is not true of people who eat more saturated fat, the researchers said.

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2 Hours of Standing at Work May Boost Your Health

You've probably heard that sitting all day is bad for you, but just how long do you need to spend standing up at your desk, or ambling on a treadmill at the office, to see health benefits?

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LOL, Haha or Hehe? Online Laughter Differs by Age, Gender

Are you an "LOL"-er or a "haha"-er? The king of "hehes" or the queen of smiley face emoji?

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Does Testosterone Improve Men's Sex Lives?

Older men with slightly low testosterone levels may not experience improvement in their sex lives after they take testosterone supplements, a new study suggests.

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Understanding the 'Shape' of Data to Shape Our World

Data has patterns, and they can reveal more than simple answers to simple questions.

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Could This Mysterious Sunken Ship Have Belonged to a French Baron?

A sunken ship uncovered in a lagoon off the coast of Israel may have once belonged to a prominent French baron, a new analysis suggests.

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Omega-3s May Prevent Full-Blown Schizophrenia

Omega-3 fatty acids may prevent people with early signs of schizophrenia from developing psychosis for years after they stop taking the supplement, new research suggests.

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Perseid Meteor Shower: Best Places to See 'Shooting Stars' This Week

The annual Perseid meteor shower is typically the most spectacular "shooting star" display for people in the Northern Hemisphere, and this week, skywatchers could be in for a remarkable show.

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Astronauts Snack on Space-Grown Lettuce for First Time

For the first time (at least officially), NASA astronauts on board the International Space Station have tasted the product, or produce, of their work. They chomped on the lettuce freshly harvested from the Veggie growth system.

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Medieval Sword Carries Mysterious Inscription

A medieval sword inscribed with a mysterious message is stumping researchers and causing quite a stir among armchair historians.

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10 Interesting Facts About Heroin

Heroin is a fast-acting opiate drugs, and addiction to it is incredibly hard to overcome, experts say. Here are the facts about heroin.

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Lost Art: Photos of the Paintings Stolen from the Gardner Museum

Thirteen valuable pieces of art vanished from Boston's Gardner Museum in March 1990.

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Biggest Art Heist Ever: Will Released Tape Bring Paintings Back?

The Gardner art heist, the biggest property crime in U.S. history, remains a mystery 25 years after the fact. The FBI hopes the public will offer clues with the release of new security footage from the night before the heist.

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It's Official: The Universe Is Dying Slowly

The slow death of the universe was revealed in 21 wavelengths, as scientists map the energy of a nearby region of space.

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Coca-Cola Controversy: Is Exercising More or Eating Less Better for Weight Loss?

Coca-Cola is backing a new nonprofit that will stress the importance of exercise in weight loss, according to news reports. But which approach - diet or exercise - is really more effective?

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Hatfields & McCoys Gather (Peacefully) to Unearth Relics at Last Battle Site

To learn more about a historical grudge, members of two formerly feuding families are (quite literally) digging up the past.

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Butter, Gravy and Sweet Tea? Southern Foods Tied to Heart Risks

Adults who chow down on traditional Southern foods — such as fried chicken, gravy-smothered liver, buttered rolls and sweet tea — may be at an increased risk of acute heart disease, a new study finds.

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These are Data's Dark Ages, and That Needs to Change (Op-Ed)

Number crunching can be a powerful tool, but only if we all think carefully about the data behind the results.

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Beijing Quadrupled in Size in 10 Years

Beijing has seen explosive growth in recent years, with the physical size of the city quadrupling in just a decade, a new study reveals.

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NASA Contest Offers $25,000 for Earthquake Detection Ideas

NASA needs your help to bolster current earthquake detection technologies, and they’re offering $25,000 to the team that develops the best way to detect an oncoming quake.

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Potentially Dazzling Perseid Meteor Shower Peaks This Week

The annual Perseid meteor shower will reach its peak this week on Wednesday (Aug. 12) and Thursday (Aug. 13), giving amateur skywatchers an evening show.

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Thirsty Butterflies Disappearing from the UK

Some butterfly species could disappear from southern Britain in the next 35 years if climate change and habitat loss continue, according to new research.

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Photos: Delicate, Disappearing Butterflies of Southern Britain

Photos of butterflies that will likely go extinct by 2050 in southern Britain if their habitats aren't preserved and droughts worsen.

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Tesla Unveils Snakelike Robot Charger for Electric Cars

Plugging your electric car into its charger with your own two hands is so 2013.

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Lightning Can Warp Rocks at Their Core

A zap of lightning can change the very structure of a rock, new research shows.

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Beautiful, Rat-filled Island Seen From Space

Australia's Adele Island appears tranquil from space, but this sandy spit is the site of efforts to eradicate an invasive rat population that devastates seabird populations.

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Can Sexting Have Benefits for Couples?

Although sexting is often portrayed as bad behavior, it may have benefits for couples, a new study suggests.

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Why Does Plague Still Occur in the Western US?

Three cases of plague have occurred in the United States in recent months, and although the illness is rare, it's not uncommon to have a few cases here each year.

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Woman Loses Vision After Mosquito Bites

A woman who caught chikungunya fever while vacationing in the Caribbean wound up losing some of the vision in her right eye permanently, according to a new report of her case.

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Why Cats Have Vertical Pupils

An animal's ecological niche largely explains its pupil shape, from the vertical slits of a cat to the bizarre rectangles in a goat's eye.

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2,000-Year-Old Ritual Message Is Uncovered…Then Begins to Vanish!

An enigmatic message, hidden for 2,000 years inside an underground cave, was recently uncovered in Israel. And it immediately began to vanish when exposed to the elements.

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Why Do Sheeps and Horses Have Elongated Pupils? | Video

These animals basically have the ability to see all around themselves. Scientist believe that they evolved in this manner to give them an advantage when fleeing from predators.

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Want 1, 2 or 3 Kids? Study Estimates When to Start Building Your Family

A new study estimates the maximum age at which couples should start trying to become pregnant, depending on how many children they want.

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Haunting Fish With Glowing Fishing Lure Discovered

Lurking in the dark depths of the sea, a new species of fish that looks more alien than Earthling, with its needlelike teeth and glowing fishing pole of sorts atop its head, has been discovered.

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5 Ways Cecil the Lion Helped Scientists Understand Big Cats

Here are a few of the things researchers learned from the lion and his brethren.

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Elephant-Size Underwater Blob Mystifies Divers

Divers often swim past bizarre creatures of the deep, but an elephant-size, jellylike blob left a group of them mystified.

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How to Get Electricity to 300 Million People in India, Without Fossil Fuels

By shifting to carbon-free energy, including nuclear and carbon capture options, runaway CO2 emissions can be quenched, even in developing nations.

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Why 10,000-Year-Old Gravity-Defying Rocks Haven't Toppled

Giant rocks stacked in seemingly gravity-defying poses could indicate that earthquakes on the San Andreas Fault can jump to another major fault in Southern California.

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Overuse of Workout Supplements Highlights Men's Body Image Issues

Some men who overuse workout supplements, such as protein powders and bars, may have eating disorders or body image problems, new research suggests.

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'Daily Show' Science: 7 Times Jon Stewart Got Nerdy

Jon Stewart's final episode as host of "The Daily Show" airs tonight, August 6, after 16 years on-air. Here are 7 times he got the science right.

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Nepal Quake Could Have Been Much Deadlier, Scientists Say

The earthquake that struck Nepal in April shook in a way that spared many small buildings in the city but devastated those more than two stories high, a new study finds.

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Warning for Nepal: April Earthquake Didn't Unleash All Its Energy

The devastating earthquake that struck Nepal in April only released a fraction of the energy still trapped in the underlying fault, meaning the area has the potential to host another possibly more powerful earthquake.

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Yawn! School Starts Too Early for Teens, CDC Says

Most U.S. middle and high schools start the day around 8 a.m., which public health officials consider too early for teens, according to a new report

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School Start Times in U.S. States: Full List

Most U.S. middle and high schools start too early. Here's a list of the average start time for schools in each state.

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Drunk Driving Rates by State

Drunk driving is most common in Hawaii, but the Midwest and parts of the West also have high rates of drunk driving as well.

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Powerful DNA 'Editing' Has Arrived, Are We Ready for It?

CRISPR/Cas is a new technology that allows unprecedented control over the DNA code. The gene editing technique also raises concerns.

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Dangerous Roads: States with Most Drunk Drivers Revealed

Hawaiians and Midwesterners have the highest rates of drunk driving, while people in Utah had the lowest rates.

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NY Legionnaires' Outbreak Highlights Nationwide Rise

A large outbreak of Legionnaires' disease in New York City has put the illness in the spotlight in recent weeks, but experts say the illness needs more attention in general, as cases have increased nationwide.

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Frogs from Hell: Their Venomous Head Spikes Could Kill You

In the wilds of Brazil, researchers have discovered the first frogs with venomous spikes on their heads. Just a gram of this venom could take down tens of humans or thousands of mice.

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New Jelly Bean-Size 'Masked' Frog Discovered in the Andes

A cute new Andean frog has a dark-brown "face mask" and a white mottled belly. The little guy is not much bigger than a jelly bean.

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Moon’s Farside Crosses Earth’s Face | DSCOVR Satellite Time-Lapse Video

Orbiting 1 million miles ‘sunward’ of Earth, a four megapixel CCD camera/telescope captured Luna crossing over the Pacific Ocean from the Deep Space Climate Observer’s point of view on July 16th, 2015.

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Moon Crosses Earth's Face in Amazing Million-Mile Video

The Deep Space Climate Observatory spacecraft recently caught the moon crossing Earth's face in a stunning video that shows off the mysterious lunar far side.

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Is This How Language Evolved?

Roughly 7,000 languages are used around the world, and many thousands more have cycled in and out of existence throughout human history. Where did these languages come from, and how did our ancestors create the very first ones?

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Even Slightly Preterm Babies Face Risks

Infant death rates in the United States continue to decline, but babies born even just a few weeks early are at considerably higher risk for death than those born at full term, according to a new report.

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Walking Dead: How Wasp Overlords Control Spider Zombies

Wasps can do a lot more than ruin a summer picnic.

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Simple Chemical Stops Prion Disease

A molecule used to track proteins could help stop such diseases as Mad Cow and Creutzfeld-Jakob.

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'Mega-Giant' Aneurysm Removed from Man's Brain

An auto mechanic in Boston survived an aneurysm in his brain that his neurosurgeon described as "mega giant."

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Ticking Clock: Optimum Age for Women to Begin Families (INFOGRAPHIC)

A study shows the best ages to begin 1, 2 and 3-child families.

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Cruel Hunting Practices Investigated by Humane Society | Video

Exotic animals are being set up for slaughter by ranchers in several U.S. states. They are held in pens and for a price, hunters have the opportunity to kill them.

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No Tusks: Ancient Walrus Cousin Looked More Like a Sea Lion

About 10 million years ago, a distant cousin of the modern walrus snapped at fish as it swam near the shore of what is now modern Japan, a new study finds.

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New Breast Pump Could Offer More Freedom for Busy Moms

Breast pumps suck in more ways than one, but one startup is trying to make these devices more comfortable for moms.

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Stress May Sabotage Diet Willpower

If you're deciding about whether to snack on an apple or a donut, the amount of stress you're under may sway you, according to a new study.

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New York City Outbreak: What Is Legionnaire's Disease?

Legionnaires' disease, which has killed seven people in an outbreak in New York City, is caused by a bacterial infection transmitted in mist.

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Planet Earth Shines in Weather Satellite's 1st Photo from Space

Africa looked awash in splotches of dusty pink, vibrant green and a swirl of white clouds in an image snapped yesterday (Aug. 4) by Europe's newest weather satellite, according to an announcement from the European Space Agency.

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Dancing Peacock Spider Is a Web Sensation

This spider's incredible mating dance will make you swoon.

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Satellite Spies Super Typhoon Soudelor from Space (Photo)

From the safety of space, NASA observed the most powerful storm of the year.

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An Encrypted Internet Is a Basic Human Right (Op-Ed)

Encrypted communications are fundamental to preserving the right to private speech, argues Wickr co-founder Nico Sell.

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World Economic Forum Technology Pioneers

The future of technology, as envisioned by the 2015 World Economic Forum Technology Pioneers

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3D-Printed Spy Drones Could Be Built at Sea

A 3D-printed drone was recently launched from a British military warship and successfully flew to shore, a demonstration that could pave the way for futuristic spy drones that can be printed at sea.

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Ancient Mayan Tablet with Hieroglyphics Honors Lowly King

A Mayan tablet unearthed in an ancient jungle city in Guatemala may shed light on the political upheavals that shook the Mayan civilization 1,600 years ago.

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Photos: A Mayan Stone Tablet

: A Mayan tablet unearthed in an ancient jungle city in Guatemala may shed light on the political upheavals that shook the Mayan civilization 1,600 years ago.

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How to Set High Goals Without Burning Out, According to Science

You can aim high without burning out, but perfectionists may have to squelch some of their ingrained self-criticism.

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Helping Kids Beat the Summertime Bulge

How can kids avoid putting on pounds over the summer months?

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Lion 'Factory Farms,' and the Dark Side of Wildlife Tourism (Op-Ed)

Cecil the lion is but a symbol of the "factory" approach to hunting.

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Miscarriage: Facts, Myths and Mysteries

Miscarriage is getting renewed attention with Facebook CEO Mark Zuckerberg's recent revelation that he and his wife experienced three miscarriages before they became pregnant. Here is the latest science on what causes miscarriages.

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Hot Finding: Spicy Food Linked with Longer Life

People who eat spicy food more frequently may live slightly longer, a new study finds.

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Superbug Forecast: Infections Will Increase in US

Infections caused by drug-resistant bacteria are projected to increase in the United States if no action is taken soon.

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Malaysian Airlines Mystery: What Newfound Wing Debris Could Reveal

The high-profile disappearance of Malaysia Airlines Flight MH370 remains a mystery — but the recent discovery of a possible wing part points to an ocean landing, raising hopes for a resolution.

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Weight-Loss Surgery Changes Gut Bacteria

Bariatric surgery may lead to long-term changes in people's gut bacteria that contribute to weight loss following the procedure, a new study from Sweden suggests.

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Extreme Stress May Convert Fat into Calorie Burning Machine

Extreme stress, such as that experienced by burn victims, may lead white fat to convert into calorie-burning brown fat, new research finds.

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Ancient Reptile with 'Ridiculously Long Neck' Unearthed in Alaska

The fossilized remains of an ancient marine reptile with an extremely long neck and paddlelike appendages were recently uncovered in an unlikely place: the side of a cliff in Alaska.

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Goliath Gates: Entrance to Famous Biblical Metropolis Uncovered

The massive city gates and fortifications for one of the largest cities in Iron Age Levant were recently uncovered.

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Ancient Reptiles Attacked with Giant Fangs

Ancient mammal-like reptiles that once grazed across the globe may have possessed many of the fighting tactics seen in modern herbivores, including head butting and attacks with giant fangs.

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Young Fathers at Increased Risk of Midlife Death

Men who become fathers at a young age may have an increased risk of dying during middle age, in their late 40s or early 50s, new research finds.

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Soda Fizzles: US Appetite for Sugary Drinks Wanes

More than half of Americans now try to avoid drinking soda, a new Gallup poll finds.

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Picky Eating in Kids Tied Anxiety, Depression

Children who are selective eaters have a greater risk of anxiety, depression and ADHD, new research shows.

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Can Young Blood Improve Old Brains?

The blood of the young may be able to counter some of the effects of aging in older brains, according to studies in animals

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Measles Vaccine: Images of Sick Kids May Convince Skeptics

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Cold Comfort: Why Office Air Conditioning Is Biased Against Women

Office building managers who set air conditioners to frigid temperatures are not only sending shivers up the spines of workers, they're also wasting money and energy, a new study finds.

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Bug Bots! These Insect-Inspired Robots Can Jump on Water

Swarms of robots inspired by water-hopping insects could one day be used for surveillance, search-and-rescue missions and environmental monitoring, researchers say.

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Nighttime Thunderstorms Are Built Differently - Here’s How | Video

Ed Bensman, NSF atmospheric scientist, reveals that storms at night depend on daytime predecessors and how they can rumble on for many hours.

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How many Digits Can You Recall? | Video

If you are like most people, the largest string of numbers you can remember is about seven digits. Barbara Shinn-Cunningham, head of the NSF-funded CELEST Science of Learning Center at Boston University​ has been studying why.

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Primeval Procreation: Strawberrylike Animal Shows Oldest Reproduction

A soft-bodied, fernlike creature reproduced in Earth's ancient oceans about 565 million years ago, making it the earliest known example of procreation in a complex organism, a new study finds.

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Have No Fear! Body's Internal 'Marijuana' Could Erase Bad Memories

A brain circuit that is responsible for extinguishing fear has been identified, which could pave the way for better treatment of PTSD and anxiety.

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Image Gallery: Amazing Photos by Ecologists

A recent photo contest highlights images captured by ecologists in the field.

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Wild Beauty: Winning Ecology Photos Feature Sunbirds and Zebras

The winning photos from a recent ecology photo contest prove that Mother Nature is always ready for her close-up.

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Animal Sex: How Butterflies Do It

When it comes to sex, are butterflies as nurturing and gentle as they appear to be, or is there a more aggressive side to their mating?

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Snake in the Grass! Huge Everglades Python Shows Invasive Issue

A giant python, about as long as a shipping container, was captured in Everglades National Park in Florida earlier this month (July 9).

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Remains of Nazi-Destroyed Synagogue Found Using Radar

Ground-penetrating radar is helping archaeologists locate the buried remains of the Great Synagogue of Vilna in Lithuania, a Jewish place of worship that was destroyed by the Nazis during World War II, the Israeli Antiquities Authority reports.

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