A revelation goes against widely held ideas about how some glaciers work, and it suggests that at least parts of Greenland's ice sheet survived periods of global warming intact.
The pink on a flamingo? Stripes on a zebra? Spots on a giraffe? All explained. Simply. Elegantly. Oddly.
Ivan Soltesz studies epilepsy in mice, but says children with chronic seizures are his inspiration. He's closing in on a way to quell the seizures with light — and without drugs' side effects.
It looks as though the "comment period" for the controversial Keystone XL pipeline project will be extended, delaying a decision past the November elections.
After a U.N. court ruling last month ordering Japan to halt whaling in Antarctic waters, Tokyo said it was reducing its target catch to just 210 animals.
A team of international scientists have found four species of insects with reversed sex organs. The females' anatomy may have to do with their need for nutrients that only males produce.
A new study looking at the nests made by chimpanzees in Uganda found that they prefer a type of tree that gives them a firm and secure sleeping platform.
Workers who have a creative outlet outside the office are more likely to be creative problem solvers on the job, a study suggests. Oh, and they have more fun.
Kepler-186f is almost the same size as Earth, and it orbits in its star's "Goldilocks zone"-- where temperatures may be just right for life. But much is unknown because it's also 500 light-years away.
It turns out the first chili peppers were grown by humans in eastern Mexico. And it's not the same region where beans and corn were first grown, according to new ways of evaluating evidence.
Scientists based their technique on the one used to create the sheep "Dolly" years ago. These cells might one day be useful in treating all sorts of diseases.
Man goes in for a routine hip operation. In the corner of the operating room, there's a young med student watching. When things go wrong, she tries to make sense of what she sees.
Scientists and food activists are launching a campaign to promote seeds that can be freely shared, rather than protected through patents and licenses. They call it the Open Source Seed Initiative.
The Sichuan peppercorn that makes our mouths tingle activates the same neurons as when our foot falls asleep. Scientists are hoping the connection unlocks clues for how to turn those neurons off.
Impatient gardeners don't have to wait for summer to harvest salad fixings. A surprising variety of crops will bring homegrown produce to your table in as little as three weeks.
A 325-million-year-old fossil find shows that the gill structures of modern sharks are actually quite different from their ancient ancestors.
You've swum with dolphins, ridden camels, stalked tigers. Now, try taking a memory test with a chimp — and losing. It's fun, humbling and mind-boggling.
Scientists at the Smithsonian are set to unpack something rare that the National Museum of Natural History has never had before — a nearly complete skeleton of a Tyrannosaurus rex.
Benzodiazepines like Xanax and Valium are among the most widely prescribed drugs in the U.S. Patients and addicts often mix them with prescription painkillers — sometimes to deadly effect.
After spending eight months on a Japanese space expedition, a cherry pit that's now four years old has mysteriously blossomed six years before it was due.