Two NASA astronauts saw their weeks long mission turn into months and now one of them is responding to tabloid claims about ...

"All NASA astronauts aboard the International Space Station are in good health," says the agency's chief health and medical ...

It was the best-selling book on the Booker Prize shortlist, outselling all three of the previous winners combined ...

In a video released Monday by NASA, stranded astronaut Sunita Williams, 59, offered a surprising reason for her weight loss ...

Trump could grant a rare waiver exempting Musk from those laws, a move that has been politically unpopular in the past.

Suni Williams and Butch Wilmore only expected to be in space for about a week. But, more than 150 days later, the two NASA ...

NASA and Russia at odds over cause and severity of the International Space Station's leak risks, including possibility of ...

"In 65 years of human spaceflight, we've never had to bring somebody back for a medical reason so far," he added. "That's a ...

Suni Williams and Butch Wilmore, the two NASA astronauts who have been stuck at the International Space Station for more than ...

Sunita Williams clarifies her health status, denying weight loss but detailing body changes from space fluid shifts. Read her ...

SpaceX's CRS-31 Dragon spacecraft is scheduled docked with the International Space Station. Broadcast courtesy: NASA ...