NASA and Russia's Roscosmos cannot agree on how dangerous the leaks in the Zvezda module may be to the station. While Russia ...

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

"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 ...

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

"None of our spacesuits are spring chickens, as we would say, and so we will expect to see some hardware issues with repeated ...

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

Amid public concern, NASA said the Starliner astronauts and the other five spacefarers living in orbit "undergo routine ...

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.

NASA plans to resume spacewalks in 2025 after a spacesuit leak forced the agency to suspend extravehicular activity in June ...

Three NASA astronauts who recently returned from the International Space Station have declined to discuss a medical issue that occurred following landing.

NASA astronauts Suni Williams and Butch Wilmore have been at the International Space Station months longer than intended, and their lengthy stay has given rise to some public concerns about their ...