NASA's Suni Williams — one of two astronauts stuck for months at the International Space Station — has retired.

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

The members of Crew-11 — two American, one Russian and one Japanese — splashed down after one became ill, prompting an early ...

Russia inherited the legendary Soviet space machine—but today, it’s facing a brutal reality check. Between sanctions, financial strain, and major reliability issues, the country is struggling to keep ...

Two Americans and astronauts from Japan and Russia landed in a SpaceX capsule in the Pacific Ocean after a medical issue ...

Crew 11 is expected to splash down off the coast of Southern California at 3:41 a.m. EST, closing out a 167-day stay in space ...

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

In 1974, the Soviet Union secretly test fired a modified aircraft cannon from its Salyut 3 space station, creating the only confirmed case of a weapon discharged in orbit. Hidden for decades, the ...

The International Space Station is the largest space outpost ever built, but it's not the only one up there and there a more ...

Four astronauts, including two from NASA, are set to leave the International Space Station on Wednesday, weeks earlier than ...

NASA is evaluating its options for dealing with an astronaut health issue in orbit, one of which is an early end to SpaceX's Crew-11 mission to the International Space Station.

SpaceX's Crew-11 astronauts will leave the International Space Station today (Jan. 14) in the first-ever medical evacuation ...