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

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

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

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

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 ...

Geologic map of the asteroid belt. Circles identify the asteroid families from which our meteorites originate and letters mark the corresponding meteorite type. The horizontal axis ranges from short ...

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

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 | ...

YR4, which orbits the sun every four years and periodically crosses Earth's orbit. The nature of its orbit makes it a ...

For an hour, HERA flew as close as 5,600 kilometers from the Martian surface, at a speed of 33,480 kilometers an hour. It ...

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