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.

A persistent leak on the International Space Station has escalated tensions between NASA and Roscosmos. While both agencies ...

Doctors for the space agency are closely monitoring the health and diets of Butch Wilmore, 61, and Sunita Williams, 59, after a recent photo showed Williams looking jarringly gaunt.

In March, three NASA astronauts were sent to the International Space Station to monitor the arrival of two rockets over six ...

A recent photo of Williams aboard the ISS sparked rumors about her health, restoring the media's habit of prying into the ...

Roscosmos and NASA are the principal partners in the ISS. They continue to collaborate for policy and technical reasons (the ...

"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 ...

The ISS is aging. Zvezda and the PrK launched in July 2000 and will mark a quarter-century in orbit next year. NASA wants to keep the space station operating until at least 2030, while Roscosmos, ...

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

Maj. Kate Rubins will be the first Army Reserve officer to receive the Basic Aviation Badge with Astronaut Device and Space ...

NASA astronaut Sunita Williams has addressed recent rumors about her health aboard the ISS, assuring everyone she’s in great ...

Astronauts face a large number of other health risks during their stay in space. In a weightless environment, muscles aren't used as much, which can lead to them weakening and atrophying. Additionally ...