The International Space Station got more international Thursday morning with the arrival of astronauts from three countries ...

It was the fourth private astronaut mission funded by Houston-based Axiom Space and the second commanded by veteran astronaut ...

A group of private astronauts are journeying home through outer space after spending a little more than two weeks at the International Space Station.

After extending her cumulative days in orbit to 695 — more than any other American in space exploration history — Iowa native ...

The crew of Axiom-4 (Ax-4) have been aboard the International Space Station (ISS) since their SpaceX Crew Dragon capsule ...

Whitson, who has spent more time in space than any other American, was glad to coach three first-time astronauts flying ...

NASA astronaut Nichole Ayers photographed a rare atmospheric phenomenon over the US and Mexico known as a "sprite" that's ...

LOS ANGELES (Reuters) -NASA retiree turned private astronaut Peggy Whitson splashed down safely in the Pacific early on Tuesday after her fifth trip to the International Space Station, joined by ...

Iowa native astronaut Peggy Whitson says her two main goals were met during the recent Axiom-4 mission to the International ...

NASA astronaut Peggy Whitson takes us behind the scenes with a fascinating demonstration of how to don a spacesuit. As she ...

A private spaceflight, commanded by Iowan Peggy Whitson and featuring the first astronauts in more than 40 years from India, Poland and Hungary, came to a close Tuesday with a Pacific splashdown.