With President-elect Donald Trump and newly-minted efficiency czar Elon Musk looking on, SpaceX launched the world's most ...

The report comes after NASA reassured the public that the astronauts are in good health, despite buzz over Suni Williams ...

A specialist has revealed what stranded Sunita Williams and Butch Wilmore are eating in space as they await their projected ...

Despite NASA's assurances, astronauts Sunita Williams and Butch Wilmore face a dwindling supply of fresh food on the ISS.

Studies have revealed that crew members sleep significantly less during spaceflight compared to pre- and post-mission periods ...

"Exposure to the space environment leads to changes related to inflammation, muscle wasting," and more, NASA said.

American astronaut Sunita Williams told students at an Essex County school on Monday that astronauts quarantine before going ...

Astronaut Sunita Williams clears up health speculations regarding her body changes on the ISS. Learn how NASA ensures astronaut well-being and Williams' commitment to her mission in space.

The astronaut appeared to be in good health and spirits following photos of her that recently sparked health scare rumors.

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

Space Station crew talks with JEKL Institute Denver - an exciting event for the ISS crew we get to see Suni again and ...

"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 ...