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

NASA has denied rumors that two of its astronauts are losing weight on the ISS, saying they are in outstanding health.

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

Suni Williams and Butch Wilmore only expected to be in space for about a week. But, more than 150 days later, the two NASA ...

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 ...

NASA astronaut Sunita 'Suni' Williams, who is stranded in space until 2025, has spoken out after new photos onboard the ISS ...

The astronauts remained tight-lipped about the nature of the medical issue that had left an as-yet-undisclosed crew member ...

SpaceX launched another batch of 23 Starlink V2 Mini satellites into low Earth orbit aboard a Falcon 9 rocket from Cape ...

With Hurricane Helene reminders all around us, most thought for sure that the launch would be “scrubbed” a second time with ...

NASA’s SpaceX Crew-9 astronauts prepared for an upcoming arrival to the International Space Station (ISS) by freeing up docking space. On Sunday, NASA astronauts Nick Hague, Suni Williams, and Butch ...

It should arrive Tuesday morning (Nov. 5) if all goes well. During Sunday's Crew-9 Dragon relocation, the capsule's four-astronaut crew undocked from the ISS's Harmony module at 6:35 a.m. EST ...