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 ...

SpaceX's Crew Dragon Grace brought a privately-financed crew of researchers to the space station for a two-week stay.

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

The four crew members of Axiom Space’s Ax-4 mission have departed the International Space Station (ISS) and are on their way ...

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

Privately funded American space company Axiom Space successfully finished its Ax-4 mission on Tuesday morning, returning ...

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

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 ...