It's largely agreed that the moon was created around 4.5 billion years ago when a protoplanet collided with early molten ...

The universe has quasi-moons, mini-moons, and moonlets, but no official definition of what counts as a moon.

The formation of the Moon may have come harder on the heels of Earth's birth than we thought. According to a new analysis by researchers from the US, France, and Germany, Earth's constant companion ...

Scientists have studied our solar system, which is home to eight major planets and more than 400 known moons orbiting six of them, to understand the new phase of the moon formation observed around ...

Billions of years ago, so the theory goes, something around the size of Mars smacked into Earth, spewing a whole bunch of dirt into space that eventually coalesced to form the Moon. This is called the ...

A lunar crater of planetary proportions, the South Pole-Aitken basin, is finally revealing the secrets of its violent birth.

In contrast, the recent Brown study utilizes “micro-analytical techniques,” focusing on individual sulfide grains, Dottin ...

The Moon's formation may not just have smashed Earth -- it may have stretched our planet into a potato for millions of years afterwards. Share on Facebook (opens in a new window) Share on X (opens in ...