NASA’s Artemis program, launched in 2017, has the ambitious goal to return humans to the moon and to establish a lunar base ...

It's difficult to imagine a substance that is hundreds of degrees below freezing yet still a liquid. Such is the strange ...

For two weeks, medical experts monitor the astronauts as they remain indoors, live in isolation, and avoid physical touch, all to prevent harmful microbes from traveling to space.

NASA's Artemis 2 moon mission faced its latest delays when a hydrogen leak was found in the SLS rocket. Here's when it could ...

The next crewed trip around the Moon has hit another snag, and this time the culprit is a stubborn leak in the rocket’s fuel ...

The small rocket and capsule have been flying since April 2015 and have combined to make 38 launches, all but one of which ...