Could a reactionless, gravity-defying propulsion system actually work? A former NASA engineer says yes, but scientists are ...

Space travel presents unique physiological and psychological challenges for astronauts, including muscle weakening, bone loss ...

The former NASA astronaut said that skipping exercise in space can cost 1 per cent of body mass every month and can ...

According to scientists, this ambipolar electric field is thought to be just as crucial to Earth as both gravity and ...

NASA astronaut is currently undergoing rehabilitation after returning from the space station where she was stuck for 286 days ...

Katy Perry revealed how she is preparing for her journey to space on a Blue Origin rocket. The singer is flying on an all-female mission April 14.

NASA astronaut Don Pettit invented his very own Zero-G cup so that he can drink in space without using a bag and a straw. He ...