NASA is monitoring an asteroid approximately the size of an airplane as it prepares to pass by the Earth on March 21. The ...

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

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.

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.

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 ...

New Southwest Research Institute-led modeling indicates the main belt asteroid (52246) Donaldjohanson may have formed about ...

Donaldjohanson (DJ), which is about to be studied by NASA’s Lucy spacecraft in an upcoming flyby on April 20, 2025? This | ...

New Southwest Research Institute-led modeling indicates the main belt asteroid (52246) Donaldjohanson may have formed ...

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

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

On the way to investigate the scene of a historic asteroid collision, a European spacecraft swung by Mars and captured rare images of the red ...