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 ...

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

"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.

"All NASA astronauts aboard the International Space Station undergo routine medical evaluations, have dedicated flight ...

Despite ample reporting to the contrary, multiple news outlets are still running misleading new articles claiming that a NASA ...

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

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

A NASA astronaut who experienced a "medical issue" and was hospitalized after partaking in the successful Space X Crew-8 mission has been released, NASA officials said.

As millions of people around the world celebrate Diwali, the Hindu festival of lights, NASA astronaut Sunita Williams radioed home a message of festive cheer. "I want to extend my warmest wishes ...