The Moon appears unchanging in the night sky, but its movement hides a slow transformation. For decades, scientists have observed that our satellite is gradually moving away from Earth, year ...

Artemis III is planned for 2027. If it stays on schedule, that's the mission that will put humans back on the moon for the first time in 55 years. The crew plans to touch down in one of 13 planned ...

Watch the moon phases and libration for 2024, as seen from Earth's Southern Hemisphere, in this time-lapsed animation that is set at hourly intervals. Video credit: NASA's Scientific Visualization Stu ...