Four astronauts cut their space mission short after a rare medical concern, prompting Nasa’s first-ever medical evacuation, ...

One U.S. and two Russian astronauts remain aboard the orbiting lab, just 1 1/2 months into an eight-month mission that began ...

Imagine hearing a sound that began its journey before our galaxy even existed. That is what astronomers are doing now. They ...

Four astronauts are set to splash down in the Pacific Ocean as they return early from the International Space Station due to a crew member’s medical issue.

It was the Artemis II crew's first time together in their command module, and Nasa's Mission Control threw life-or-death ...