A chunk of space rock that visited near Earth's orbit last year was widely called a "mini-moon," a nickname that was more ...

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 ...

For a brief, but exciting, time last year, Earth had two moons. A small asteroid lingered close to our planet in its orbit ...

Scientists developed advanced dating methods to track geological changes on the far side of the moon and found evidence of ...

Scientists think a small rock discovered near Earth last August was hurled into space by an ancient impact on the lunar surface.