Space Station Astronauts Take Shelter From Space Junk
A piece of space junk forced the three space station astronauts to seek emergency shelter Thursday.
Annual Checkup of Earth's Climate Says We're in Hotter Water
In their annual, detailed physical of Earth's climate, scientists say the world is in increasingly hot and rising water.
Talk: Philip Zimbardo Thinks We All Can Be Evil
The psychologist on what the Stanford prison experiment continues to reveal about human nature.
Matter: A Social Parasite’s Sophisticated Mimicry
Parasitic ant nest beetles use a remarkable trick to fool their hosts, performing uncanny impressions and mimicking a range of ant calls....
David M. Raup, Who Transformed Field of Paleontology, Dies at 82
Viewed as a singular thinker, Dr. Raup challenged accepted tenets by raising ambitious questions about extinction patterns and biodiversity....
Out There: A Window Into Pluto, and Hopes of Opening Other Doors
The New Horizons mission was an extraordinary time for a cosmic selfie, but not likely to be the end of a spirit of discovery....
Pluto as New Horizons Saw It: Up Close and Personal
It turns out that icy mountains up to 11,000 feet tall cast shadows on at least part of Pluto’s surface, which appeared to be unmarred by the...
Coming Attractions: 1st Close-Up Pictures of Pluto
If you think Tuesday's flyby of Pluto was big, just wait until the pictures start rolling in.
Air Force Launches GPS Satellite on Atlas V Rocket
The Air Force has a new advanced GPS satellite in orbit.
Iran Accord’s Complexity Shows Impact of Bipartisan Letter
The deal bear on perceived gaps raised by experts on whether the pact represented a formidable bar to Iran as a nuclear power or a muddle of...
In Drought, Puerto Rico Rations Water, Setting Off a Collection Frenzy
The strictest water rationing measures ever on the east side of Puerto Rico have led many there to adopt increasingly creative, although desperate,...
Spotlight Shining on Pluto on Cold Outskirts of Solar System
The spotlight is bright enough to thaw even Pluto.