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 ...
New research suggests that Earth's recent mini-moon might have originated as part of our actual moon long, long ago.
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A small space rock ...