A draft of Pope Francis' encyclical on climate climate change was leaked Wednesday before its scheduled release.
Due to warm ocean temperatures, tens of thousands of red crabs are invading beaches in Southern California.
Individual differences in the brain's working memory could help explain why some teens are especially impulsive about sex. Having engaged parents helps reduce the risk.
If fruits and vegetables don't measure up to cosmetic standards, they're often plowed under in the field. One company wants to help change that by creating a market for less-than-perfect produce.
New data suggest that many regions in the world are overusing their underground water supplies. And researchers aren't sure how much remains.
And when the use of intrauterine devices and hormonal implants by young women goes up, the number of unplanned pregnancies sharply drops, researchers find.
Disagreeable teens tend to grow up into disagreeable adults. A 10-year study finds that disagreeable teens often have no awareness that their behavior is harming their relationships.
Lawmakers in hard-hit Western states are pushing for suspensions to the Endangered Species Act to free up stored water. But an entrenched partisan divide over the law continues to be a hang-up.
Atlantic Cod have become scarce along the coast, though catch limits have been reduced by 80 percent. Researchers are now tracking the sound of mating cod, hoping to help fishing boats avoid them.
If a starfish loses a limb, a new arm buds and grows in its place. But young moon jellies have a different strategy for self-repair: Existing limbs rearrange themselves to regain symmetry.
According to the research: men who have older sisters, on average, are less competitive than men who don't, and women who have older sisters are more competitive than women who do not.
Americans play more golf than any other sport. So how much exercise do you get from an afternoon on the links? Players clipped on pedometers and Fitbits to help us find out.
That was the tweet sent by the European Space Agency's Philae space lander on Sunday morning. Last November, after touching down on Comet 67P, Philae went silent. On Saturday night, it communicated with scientists for the first time since. NPR's Arun Rath speaks with Mark McCaughrean of the European Space Agency about Philae's wakeup.
The regenerated forelimb, made from a living rat cells, may be the first step toward creating functional, bioartificial limbs. The scientists were thrilled to see the muscle fibers could even twitch.
It's unknown what triggers an outbreak of Middle East respiratory syndrome. But scientists think the virus comes from camels. So until we stop it in animals, MERS will continue to cause trouble.
A little sunlight applied to solar panels proved the cure for what ailed the European Space Agency's Philae lander, which had been dormant from lack of power since November.
When 17-year-old Raymond Wang read about how easily some diseases spread on planes, he thought airlines could do better. So he went to work — and won $75,000 at the international science fair.
After the sexist comments of Nobel Prize-winning British scientist Tim Hunt went viral, female scientists staged a counterblow on social media.
Pixar's animated fantasy takes viewers inside the mind of an 11-year-old girl named Riley. Psychologists say the film offers an accurate picture of how emotions and memories help make us who we are.
Babies may show greater empathy toward adults who overtly show sadness, a study suggests, but the little ones also recognize sadness in people who keep a stiff upper lip.