Butch Wilmore and Suni Williams left the International Space Station in a SpaceX capsule early Tuesday, checking out with the cosmonaut and astronaut.

Russian President Vladimir Putin aims to collaborate with the United States, particularly in the space sector, with upcoming discussions involving SpaceX's Elon Musk about Mars missions. Russian envoy ...

Massachusetts native Suni Williams is among NASA’s two stuck astronauts headed back to Earth with SpaceX on Tuesday -- a ...

Russia is looking to collaborate with the United States and iconic entrepreneur Elon Musk in the space sector, particularly concerning a Mars mission. Russia aims to strengthen its space agency ...

What happened to NASA astronaut Scott Kelly after spending a year in space while twin brother Mark, also an astronaut, remained at home?

Bone and muscle deterioration, vision impairment — even changes in DNA. How does extended time in orbit impact the human body ...

"As soon as we can get it going, we would want to start having some type of presence on the moon sustainably," she told Fortune.

Another Japanese astronaut has flown into space. It is hoped that Japan will promote international cooperation in space by ...

SpaceX CEO Elon Musk announced that the Starship rocket will make its maiden Mars flight by the end of 2026, with human ...