The asteroid Bennu is puzzling scientists, with samples from the space rock showing weirder properties than they expected. These include extremely high nitrogen levels and improbably magnetic ...

Medium-size asteroids such as Bennu collide ... t lived through an asteroid strike, Dai compared the environmental effects to other “sun-blocking catastrophes,” such as large volcanic eruptions.

New observations of a small asteroid discovered in December have led astronomers to conclude that the chances of it striking Earth are almost zero after earlier data had indicated a higher risk of a ...

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 ...

NASA spacecraft touched down on the rugged surface of the Bennu asteroid on Tuesday, grabbing a sample of rocks dating back to the birth of our solar system to bring home. The minivan-sized OSIRIS ...

Climatic and ecological consequences Responses to dust injections of 400 million tonnes from a Bennu-type asteroid ... earthquakes and tsunamis, an asteroid impact would have long-lasting effects on ...

Additionally, the Bennu samples contain large quantities of ammonia and ... Bennu, designated a Potentially Hazardous Asteroid due to its size and Earth-crossing orbit, has a 1-in-1,750 chance ...

GRAND FORKS, ND — Astronomers have turned their high-powered telescopes toward a 100-meter wide asteroid hurtling in its ...