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

A team of four astronauts splashed down in the Pacific Ocean on Thursday after an unprecedented medical evacuation from the International Space Station (ISS).

In her 27 year career with NASA, astronaut Sunita Williams completed three missions aboard the ISS, and set numerous human ...

Suni Williams, the Massachusetts native and esteemed astronaut who recently spent 9 months trapped in space after a botched ...

Monumentally important, this is the first image of an American astronaut in space. In the Project Mercury spacecraft named Friendship 7, John Glenn became the first American astronaut to orbit Earth.

NASA's Artemis II is poised for the first lunar mission since 1972—with much more to come.

The Apollo 1 and Challenger disasters are remembered through local programs that honor fallen astronauts.