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An unusually early, long cold snap and lashing winds have caused more Kemp's Ridley sea turtles, the most endangered sea turtles in the world, to wash ashore dead, says Tony LaCasse, spokesman for ...

Dangerously high wind and a stormy sky prevented space shuttle Endeavour from returning to its home base in Florida on Sunday, and NASA ordered the astronauts to take a detour and land in sunny Cal...

With food demand forecast to increase by half by 2030, the incentive to use genetic engineering to boost harvests and protect precious crops from insects and other damage has never been greater.

Their work in orbit accomplished, space shuttle Endeavour's astronauts got the green light Saturday to return to Earth, but were warned "pretty iffy" weather at the main landing site could send the...

With hugs and handshakes, shuttle Endeavour's seven astronauts bid farewell to the international space station crew after they ate a Thanksgiving holiday meal together of turkey, cornbread dressing...

Astronomers looking at the spectacular supersonic plumes of gas and dust shooting off one of Saturn's moons say there are strong hints of liquid water, a key building block of life.

It's not just families that are getting together this Thanksgiving week. The three brightest objects in the night sky Venus, Jupiter and a crescent moon will crowd around each other for an unusual ...

Marine archaeologists have found the remains of a slave ship wrecked off the Turks and Caicos Islands in 1841, an accident that set free the ancestors of many current residents of those islands. So...

After several days without luck, astronauts finally ran a successful test on equipment that turns urine into drinking water a necessity for supporting the international space station's crew, which ...

Astronauts successfully carried out one last spacewalk Monday, finishing an unprecedented clean and lube job that they began a week ago at the international space station.