Donaldjohanson, a main belt asteroid, could be a relic of a cosmic collision that took place 150 million years ago.

"This has been a decade-long detective story, with each recorded meteorite fall providing a new clue," said one astronomer.

NASA is monitoring a bus-sized asteroid as it makes its closest approach to Earth today, among a group of five space rocks ...

Where do meteorites of different types come from? In a review paper in the journal Meteoritics & Planetary Science, ...

Jenniskens and Devillepoix find that low iron (L chondrite) and very low iron (LL chondrite) meteorites come to us primarily from the inner main belt. Scientists have long linked the LL chondrites to ...

New Southwest Research Institute-led modeling indicates the main belt asteroid (52246) Donaldjohanson may have formed about 150 million years ago when a larger parent asteroid broke apart; its orbit ...

Pi Day itself dates to 1988, when physicist Larry Shaw began celebrations at the Exploratorium science museum in San Francisco. The holiday didn't really gain national recognition ...

Could a giant planet between Mars and Jupiter have doomed Earth? A new study suggests that small changes would have been ...

Most asteroids rather conveniently live in a place between Mars and Jupiter known as the asteroid belt, but some can make their way a little closer to earth, where they can cause problems.

A privately-built spacecraft has embarked on an unprecedented deep space mission to scout out an asteroid's potential for mining. The probe, called Odin, was launched on a SpaceX rocket alongside ...

NASA gave the all-clear Monday on an asteroid that previously had a chance of colliding with Earth in 2032. While its odds had briefly risen to a record high of 3.1%, they have now dropped to near ...

The asteroid, measuring between 130 to 300 feet wide, was discovered in December 2024. While the risk to Earth is negligible, 2024 YR4 has a slightly higher chance of impacting the moon.