Ax-4 is commanded by Axiom's director of human spaceflight and former NASA astronaut Peggy Whitson. Joining her are ...

A curious cow watches as NASA astronauts Andre Douglas and Kate Rubins perform a simulated moonwalk in the San Francisco ...

When astronauts finally reach Mars, they'll face a unique challenge: walking and working in gravity that's only 37% as strong ...

The SpaceX launch of four private astronauts has been delayed again. The Ax-4 mission to the International Space Station (ISS ...

From the ISS, scientists are capturing rare lightning above storms that could impact radio, climate, and safety.

A chartered spaceflight for India, Poland and Hungary's first astronauts in decades has been delayed indefinitely because of ...

The mysteries of UFOs have fascinated humanity for decades, but what happens when astronauts reveal their personal encounters with unidentified objects in orbit? On Se l'Demande takes you on an ...

NASA fired up a full-duration test of its new RS-25 engine that will power the Space Launch System rocket on Artemis missions ...

Astronauts Sharon and Marc Hagle spoke at Epic Endeavors Academy in Rochester, teaching students about space and STEAM.

A venture known as Axiom Mission 4 is now due to get off the ground Wednesday, June 11 in Florida following NASA's latest delay of the launch.

SpaceX officials said the launch was delayed due to an identified leak that will require additional time for repairs.