Some chemical in octopus skin acts as a repellent to the little suction-cups on the arms, a surprise finding shows. Without it, the eight-armed creature would tie itself in knots.
Plenty of primates laugh, but only humans fake it. So what are we getting out of that phony chuckle? Perhaps an unfair advantage at work and in social situations, researchers say.
Johannes Kepler, one of the world's great mathematicians, decided to marry in 1611. He made a list of 11 women to interview and he wanted, of course, to choose the best. Here's the formula.
A new NOAA-led study has found that hurricanes, typhoons and tropical cyclones are at their most destructive about 90 miles farther north or south of the equator than three decades ago.
Two groups of scientists have reported that the melting of the giant West Antarctica Ice Sheet appears to be unstoppable. Oceans could rise several feet in the coming centuries because of its melting.
Small electrical pulses make people feel that they can control their dreams, the hallmark of lucid dreams. But researchers are far away from inducing powers like those seen in the movie Inception.
The idea of an afterlife has fascinated humans for millennia. In a recent Intelligence Squared debate, two teams faced off over the concept of life after death from a scientific perspective.
After your doctor asks you whether you smoke, she might also ask if you feel safe with your partner. But an analysis suggests universal screening may not be helping people who have been abused.
The YouTube video of astronaut Chris Hadfield aboard the International Space Station is set to come down as the licensing agreement on the iconic David Bowie song expires.
For the fashion-conscious gardener, here are the most colorful and flavorful new edibles. This year's picks include the indigo tomato, wasabi and a pineapple-flavored berry.
The moves come after Washington banned some high-tech equipment sales to Russia as part of sanctions in response to the annexation of Crimea.
Firstborn kids often do better in school and, on average, go on to earn more money than their younger siblings. A new theory tries to explain why.
A new study examined 40 years of data collected by ground, air and satellite stations and found that sea level could rise by more than 10 feet in coming centuries.
NASA held a press conference to discuss the stability of the West Antarctic Ice Sheet and its potential contribution to future sea level rise. The researchers announced that the ice sheet's collapse is both underway and unstoppable.
Expectant mothers are more likely to get into serious car crashes, a study finds. The risk is highest in the second trimester, when accident rates are similar to those for people with sleep apnea.
The Calif.-based maker of the Falcon 9 is hoping to break up a monopoly on the launch market for national security satellites.
Women are underrepresented in the senior ranks of academic science, but they attend grad school in equal numbers as men. NPR's Rachel Martin talks to science correspondent Joe Palca about the disparity.
Simon Singh spotted the equation on a Homer Simpson blackboard. Had Homer just solved one of the toughest puzzles in math? His solution, crazily, seemed "valid" – so Singh checked Homer's numbers.
Simon Singh spotted the equation on a Homer Simpson blackboard. Had Homer just solved one of the toughest puzzles in math? His solution, crazily, seemed "valid" — so Singh checked Homer's numbers.
As testing for doping in sports becomes more sophisticated, so do the drugs. Looking at the recent history of cycling can make you wonder how many cheaters continue to slip by undetected.