Skygazers who look up at the moon tonight may be able to spot Saturn below it. Here's when and how to spot the conjunction.

Artemis 2 is scheduled for a 10-day mission to bring four astronauts around the moon: NASA's Reid Williams (commander), ...

As the four-person crew of Artemis II prepares to launch on a historic mission around the moon as soon as February, some experts are worried about the Orion spacecraft’s heat shield.

Europa’s subsurface ocean might be getting fed after all. Scientists found that salty, nutrient-rich surface ice can become ...

"Most excitingly, this new idea addresses one of the longstanding habitability problems on Europa and is a good sign for the ...

A major change from the 25-day Artemis I mission in 2022 is the path the crew will take. Artemis II will use what NASA calls ...