NASA astronauts Suni Williams and Butch Wilmore, who have been stranded at the International Space Station since last June, started journey back to Earth aboard SpaceX's Dragon spacecraft early ...

LOS ANGELES, March 18 (Xinhua) -- NASA astronauts Suni Williams and Butch Wilmore, who had been stranded at the International Space Station (ISS) since last June, returned to Earth Tuesday afternoon.

Muscle Atrophy: In microgravity, the muscles do not have to support the body’s weight, leading to significant muscle weakening. Astronauts typically lose about 1% of muscle mass per month. For example ...

福斯特建筑事务所（Foster + Partners）正以前所未有的视野，探索着地球之外的居住可能。其精心设计的月球居住方案，即将作为EARTH to ...

NASA astronauts Butch Wilmore and Suni Williams returned to Earth in a SpaceX capsule on Tuesday with a soft splashdown off Florida's coast. Credit: Supplied / NASA ...