Two astronauts were meant to be in space for a week. More than 150 days later, they're still suck in space and speculation ...

Amid public concern, NASA said the Starliner astronauts and the other five spacefarers living in orbit "undergo routine ...

Williams launched to the International Space Station on June 5th with fellow NASA Astronaut Butch Wilmore on the first crewed ...

It’s not the first time a president has empowered a business tycoon to look for ways to dramatically cut federal regulations.

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

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

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 ...

The project involved simulating a flight beyond low-Earth orbit, including the effects of long-term isolation with restricted communication and expedition resources ...