The moon's ascending node (the point in the sky where its orbit crosses the ecliptic from south to north) is moving westward ...

As Elon Musk helps the Trump administration eliminate DEI, his SpaceX currently has a NASA contract to help land the first ...

Mars will appear to make an ultraclose approach to the moon on Sunday, after Jupiter had a turn earlier this week. Here's how ...

Two Grand Canyon-size features on the far side of the moon were likely formed in about 10 minutes after an unknown object ...

February's full Snow Moon will have a royal companion as it rises alongside Regulus, a star nicknamed "Heart of the Lion", ...

CNN’s 5 Things newsletter is your one-stop shop for the latest headlines and fascinating stories to start and end your busy ...

China plans to send a flying robot to the far side of the moon next year to search for the frozen water that could hold the ...

The Earth's Grand Canyon took millions of years to carve, but the moon's grand canyons took about ten minutes.

Scientists proposed an explanation for the formation of Vallis Schrödinger and Vallis Planck near the lunar south pole, which ...

Humans are inching closer to living beyond Earth, but sustaining life on the moon or Mars requires a critical resource: water ...

New research shows that when an asteroid slammed into the moon billions of years ago, it carved out a pair of grand canyons ...

Here's when and how to watch the next full moon and February's rare planetary parade across Pennsylvania skies, starting with ...