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

Two astronauts were supposed to exit the space station on January 8 and perform a spacewalk to install a modification kit and routing cables for a future roll-out solar array. However, a medical issue ...

NASA cancelled its first spacewalk of the year and is considering an early return of astronauts from the International Space Station after an onboard medical issue involving one crew member.

The astronauts evacuated last week from the International Space Station say a portable ultrasound machine came in “super ...

An astronaut who missed out on the first all-female spacewalk because of a spacesuit sizing issue got her chance six years later on Thursday. NASA’s Anne McClain emerged from the International Space ...

Four astronauts returned to Earth early Thursday, after departing the International Space Station about a month earlier than ...

Four astronauts are set to depart the International Space Station Wednesday amid a health concern. The unprecedented early ...

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Four astronauts recount a critical medical emergency on the ISS, highlighting the vital role of an onboard ultrasound machine.