Barry Wilmore and Sunita Williams were stranded on the ISS for 286 days. They now struggle with muscle and bone loss.

Astronauts depend on oxygen tanks while in space, with backup systems in place to prevent emergencies. In the event of an ...

Making spacesuits compatible with different spacecraft could protect astronauts during an emergency evacuation.

Nearly 30 former NASA astronauts have signed a letter endorsing Jared Isaacman as the agency’s next administrator, calling on ...

NASA's Sunita "Suni" Williams and Barry "Butch" Wilmore are home after being stranded in space for nine months. Find out what ...

Mr. Irving is an investigative journalist who has covered aviation and aerospace for more than 30 years.

Now that Butch Wilmore and Suni Williams are home, ending a 9-month spaceflight, questions remain about the troubled ...

NASA astronauts Butch Wilmore and Suni Williams aren't the first to run late in space, and their 9 ½-month mission falls ...

The NASA astronauts splashed down on Tuesday in a SpaceX capsule after problems with a Boeing vehicle set in motion a ...

A four-member crew, including NASA astronauts Sunita "Suni" Williams and Barry "Butch" Wilmore, left the ISS early Tuesday on ...

NASA astronauts Butch Wilmore and Suni Williams have returned to Earth after being stuck in space for more than nine months.