The object dubbed Earth's "second moon" is actually a quasi-satellite that's accompanied the planet since 1957 — not a true ...

For a long time, scientists assumed that Earth's water was delivered by asteroids and comets billions of years ago. This ...

Earth’s atmosphere is slowly leaking into space, and new research shows some of it reaches the Moon, where it may be ...

Once believed to be a dead and silent world, the Moon is now revealing deep, massive fractures stretching hundreds of ...

The moon looks enormous when it's near the horizon — why is that?

The Moon is a pretty peculiar object. It is believed that it formed from the incredible collision between the proto-Earth and ...

A new NASA study using Apollo lunar soil samples challenges a long-held theory. It suggests meteorites were not the primary ...

The Moon is working its way through the lunar cycle.

NASA’s giant new moon rocket, Artemis II, moved to the launch pad Jan. 17, in preparation for astronauts’ first fly-around ...

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 in ...