Welsh’s ebook is called “ Space Radiation: Astrophysical origins, radiobiological effects and implications for space ...

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

On November 14, 1969, the Apollo 12 mission launched to the moon. This was the second moon landing of the Apollo program. The ...

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 astronaut Matthew Dominick captured an amazing view of the Boeing Starliner and auroras from the SpaceX Dragon ...

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 ...

Another update has been shared on the astronaut stuck in space after she sparked concern over her appearance. Sunita 'Suni' ...

Anna Lee Fisher is one of the first American women astronauts and the first mother to ever make it to space. She’s also a ...

Astronaut Eileen Collins and filmmaker Hannah Berryman discuss the new documentary SPACEWOMAN and the thrill of pushing human ...