NASA astronauts are preparing for two spacewalks to complete tasks outside the International Space Station. Here's what we know about the mission.

Two NASA astronauts aboard the International Space Station will complete a spacewalk on Thursday morning to make preparations for future technology installation.

NASA has postponed a planned Jan. 8 spacewalk outside the International Space Station due to a "medical concern" with an unnamed crew member.

NASA is considering a rare move to bring home the Crew-11 astronauts early after a crew member experienced a medical issue aboard the International Space Station this week. NASA astronauts Mike Fincke ...

NASA astronaut Suni Williams has retired. Williams, along with the now-retired Butch Wilmore, rode on the Boeing Starliner to ...

A NASA spokeswoman said the astronaut with the medical concern, whom she did not identify, was in a stable condition on the orbiting laboratory.

"We are actively evaluating all options, including the possibility of an earlier end to Crew-11’s mission," the agency said ...