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

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

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

NASA astronaut Christina Koch is one of eight recipients to receive the North Carolina Award this year, which honors ...

FOX 13's Haley Hinds chatted with a woman who knows what it's like to live on Earth, under the sea and up in space.

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 ...

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 ...