Have you ever wondered where Earth’s moon is from? One theory scientists have is that the moon formed about 4.5 billion years ago after a collision between two celestial bodies: early Earth and ...

By Becky Ferreira For a few months last fall, a school-bus-size space rock named 2024 PT5 gained fame as Earth’s new “mini-moon.” Astronomers rushed to study the object while it was still ...

Earth is about to get a new neighbor in the form of an asteroid. But this one won’t be making an impact. Instead, it’ll be what space enthusiasts have dubbed a mini-moon, and it will stick ...

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 ...

Earth has its fair share of fleeting companions. But sometimes, these so-called “mini-moons” have a surprising origin story. Take 2024 PT5, a bus-sized asteroid that drifted near Earth last year.