Astronauts aboard the International Space Station (ISS) experience the effects of time dilation as they travel at high speeds ...

Canadian Jeremy Hansen returned to Florida with the Artemis II crew amid news that he would be transitioning from being a full-time astronaut.

NASA shared a video showing astronauts kicking around an official World Cup soccer ball on the space station. Here's what was going on.

A simulation of future astronaut moon bases suggests that mission design, and not just psychology, needs to be considered for ...

The Artemis II astronauts who flew around the moon earlier this year are back in Florida, reunited with their capsule and launch team.

In 2024, I flew on a microgravity, or zero G, parabolic flight with the European Space Agency (ESA). The aeroplane flew big arcs up and down in the sky. At the top of the arc I experienced 22 seconds ...

Stunning images captured by astronauts aboard Artemis II using a Nikon Z9 have now been used to help researchers learn more ...

NASA's 1966 astronaut selection valued practical skills and character over intelligence. Engineering expertise and ...

Beyond Artemis II, human spaceflight missions will need longer expiration dates and grow-it-yourself options. Luckily, labs around the world are working on these menus—and invited National Geographic ...

Space changes the rules for almost everything, including how a robot should move. On Earth, legs help us stand, balance and walk across a room. In microgravity, those same legs lose much of their ...

NM's night skies inspired him to reach for the stars. Now, Mike Mullane shares his story in a new PBS documentary series.