"As the first woman to pilot the Space Shuttle, I worked very hard at that because I didn't want people to say, 'Oh look, the ...

"We have found a habitable environment," said John Grotzinger, project scientist for the Curiosity mission. "The water that was here was so benign and supportive of life that if a ...

An American skier made history on Wednesday as the first to descend Mount Everest's notoriously narrow north face route.

The bold question-askers at What If examine what it would be like to be the first person on Mars. Steelers linked to Aaron ...

As ancient humans left Africa, they encountered many harsh environments including the Sahara and the high Arctic, but one of ...

Mars is where that leadership will be proven. And if NASA is serious about sending humans there, and keeping them safe while they’re there, that investment in long-term infrastructure needs to start ...