NASA astronauts Suni Williams and Butch Wilmore say they are working out aboard the International Space Station as they await ...

Two astronauts were meant to be in space for a week. More than 150 days later, they're still suck in space and speculation ...

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

Williams and Wilmore have been trapped on the ISS since June when the Boeing Starliner aircraft ... which would mark the ...

Space Station crew talks with JEKL Institute Denver - an exciting event for the ISS crew we get to see Suni again and ...

"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 ...

Sunita Williams clarifies her health status, denying weight loss but detailing body changes from space fluid shifts. Read her ...

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

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

(Roscosmos State Space Corporation via AP, File) The air leak has been ongoing for five years and is located in the Russian segment of the ISS in the Zvezda Service Module’s transfer tunnel. NASA ...

Astronauts routinely spend months at a time on the ISS, and we've learned a lot about the hazards astronauts face on long missions. However, Mars missions can take years, which presents a whole ...