NASA has announced a new challenge that could shape the future of space exploration. The agency is calling on innovators, ...

Imagine the unthinkable: an astronaut, stranded on the Moon, unable to move, injured, or even unconscious. NASA is offering ...

Behind every unforgettable image lies a lesser-known story — of the people depicted, the events that shaped them, and the ...

"Thanks for all your effort," wrote the first moonwalker. Neil Armstrong was appreciative, but as explained in his ...