Every drop of water counts aboard the International Space Station, and drinking recycled urine is a fact of life—if you're an American astronaut.
The consequences of global sea level rise could be even scarier than the worst-case scenarios predicted by the dominant climate models, which don't fully account for the fast...
The ancient lunar surface once erupted with geysers of lava — and now, scientists think they know what caused those fiery fountains.
One of giant panda Mei Xiang's twin cubs died Aug. 26, just five days after its birth, the Smithsonian's National Zoo in Washington, D.C., reported.
Australia already has at least one of the natural wonders of the world in the Great Barrier Reef, but it may have just added another one more than 300 feet under the sea on the...
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
Like a giant jellyfish floating through the atmosphere, "red sprites" hover above thunderstorms in two new photographs snapped from space
A study conducted by researchers at the University of Canterbury in New Zealand has highlighted a pair of unlikely recruits in the battle against human malaria – two species of...