A long-standing idea in planetary science is that water-rich meteorites arriving late in Earth’s history could have delivered ...

An asteroid roughly the size of a small city may slam into the Moon in 2032, and if it does, the blast could hurl clouds of lunar rock into space and toward Earth. Scientists say the odds of a direct ...

The moon is pummeled by asteroids nearly every day, creating new craters constantly that can range from a few feet to many miles across. The asteroid impacts, when they’re large enough, create flashes ...

Earth has one true moon, but there are also several asteroids known as quasi-moons that are in orbit with the sun. A newly discovered asteroid, 2025 PN7, is the seventh confirmed quasi-moon that ...