The agency’s top medical official was responding to rumors that Suni Williams had lost an unusual amount of weight during an ...

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

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

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

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

"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 ...

Artemis 2 was initially slotted for a December 2024 liftoff, but that schedule was delayed in January 2024. NASA said several ...

In orbit, the astronauts aborted two spacewalks, both under unusual circumstances. Then, on October 25, one of the astronauts ...

NASA astronauts Matthew Dominick, Michael Barratt, and Jeanette Epps, along with Russian cosmonaut Alexander Grebenkin, were ...

The reasons behind a NASA astronaut's October hospitalization, along with three of their crew members, are still unclear.

Medical issues aside, the astronauts described a water leak in June that triggered a blizzard in the International Space ...

Three NASA astronauts whose prolonged space mission ended with a trip to the hospital last month won't say which one of them ...