Leaks are affecting a key part of the International Space Station. NASA and Russia’s space agency, Roscosmos, are not seeing ...

The space superpowers set to land astronauts on the Moon — the U.S. and China — should forge a lunar peace pact protecting ...

NASA astronauts Suni Williams and Butch Wilmore say they are working out aboard the International Space Station as they await ...

During an interview with the New England Sports Network this week, NASA astronaut Suni Williams said, “There’s some rumors ...

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 ...

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.

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 ...

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