"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 ...

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

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.

"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 ...

Stunning footage captured from the International Space Station shows a glorious-looking aurora shimmering above Earth.

During an APEC meeting, President Biden joked about his wife's threat to send him to space with Nasa Administrator Bill ...

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

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 and Russian officials disagree on the cause of a worsening leak on the ISS, raising safety concerns for astronauts.

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