The spacewalk, scheduled for Thursday, was postponed because of an unspecified medical concern with an unnamed astronaut.

NASA said the unidentified astronaut is 'stable," but the agency is considering all options, including a possible early ...

In a rare move, NASA is cutting a mission aboard the International Space Station short after an astronaut had a medical issue ...

The International Space Station has gone from seven crew members down to a "skeleton crew" of three due to a recent medical ...

The BriefNASA astronauts planned to conduct two spacewalks in January to conduct repairs and upgrades to the International ...

NASA cancelled its first spacewalk of the year and is considering an early return of astronauts from the International Space ...

When it comes to treating medical issues in space, NASA tries to fully equip its astronauts with the knowledge and tools to ...

NASA says a crew member on the International Space Station is unwell. The agency canceled a planned spacewalk for Thursday ...

NASA has spent the last few weeks getting ready for two spacewalks at the International Space Station (ISS), its first in ...

NASA announced a single crew member suffered a medical situation Wednesday on board the International Space Station that ...