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

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

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

One exciting project currently happening is NASA’s Lucy mission, which is on a quest to learn more about asteroids orbiting ...

The asteroid is hurtling towards us at a zippy 15,000 miles per hour, according to the space agency's Jet Propulsion Laboratory.

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

"Scientifically there's a huge amount we can learn from asteroids," says Alan Fitzsimmons, an astronomer at Queens University ...

A weak magnetic field likely attracted matter inward, contributing to the formation of the outer planetary bodies, from ...

Countless asteroids in our solar system, some close, some far — but did you know that some of these space rocks have names?

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 ...