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

Asteroid 2024 PT5, which almost became a temporary mini-moon to Earth, was recently found to be a broken-off part of the moon itself. This discovery has led scientists to believe there are many more ...

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 ...

A small space rock that lingered near Earth last year and was referred to as its temporary “mini-moon” may actually be a chunk of the moon that chipped off thousands of years ago. The ...

While the space rocks largely originate from the main asteroid belt located between Mars and Jupiter, some have been created after impacts chipped off parts of the moon's surface.

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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.

If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. Earth has its fair share of fleeting companions. But sometimes, these so-called “mini ...

Its orbit around the Sun is nearly in step with our planet, so it stays surprisingly close without actually circling Earth. This unusual path hints that it may have formed in our neighborhood.