Our planet's Moon might look dead and stagnant from our vantage point here on Earth, but a new study suggests it was moving about just a 'hot minute' ago. On the dark side of our neighboring satellite,

An asteroid that orbited near Earth for a few months as a mini-moon may be a chunk of the moon that was blasted off by an impact thousands of years ago.

New research suggests that Earth's recent mini-moon might have originated as part of our actual moon long, long ago.