Donaldjohanson formed about 150 million years ago when a much larger asteroid broke apart. Since then, its orbit and spin ...

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.

For centuries, scientists have sought to understand the origins of meteorites that fall to Earth. Recent research has ...

NASA’s Lucy spacecraft will fly by asteroid Donaldjohanson on April 20, 2025, revealing its shattered past, strange spin, and secrets of planetary formation in a major space milestone.

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

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

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 ...

This artist’s concept compares the approximate size of Lucy’s next asteroid target, Donaldjohanson, to the smallest main belt asteroids previously visited by spacecraft — Dinkinesh, visited by Lucy in ...

Although NASA's Lucy spacecraft's upcoming encounter with the asteroid Donaldjohanson is primarily a mission rehearsal for ...

Simply put, pi is a mathematical constant that expresses the ratio of a circle's circumference to its diameter. It figures ...