Estimating a mass for a potentially hazardous asteroid (PHA) is perhaps the single most important thing to understand about ...

A 140-foot asteroid is set to sweep past Earth today, and it seems everyone is taking notice. Astronomers have been tracking the space rock, officiall.

The dinosaurs were wiped out by an asteroid, but does that mean we risk suffering the same fate - and should you be worried about the possibility? Leah Crane sets the matter straight ...

"For asteroids of the size scale relevant to planetary defense (i.e., ∼50-500 m), the mass can only be directly measured ...

Paleomagnetic analysis of 28 Ryugu asteroid particles reveals stable magnetization acquired within millions of years of solar ...

"A meteor the size of a softball can produce a flash as bright as the full moon and qualify as a fireball," Lunsford said in ...

Residents around B.C. reported hearing a loud boom and seeing a bright flash of light in the sky Tuesday evening. Experts say ...

NASA’s Lucy spacecraft flew by asteroid Dinkinesh and made a surprising discovery, a close binary! Preliminary statistics ...

In Madison and nearby southeast Missouri counties, William Jud, a Fredericktown geologist, may have identified a buried ...

Tiny, tooth-sized fossils have just reshaped the story of our deepest ancestry. Paleontologists have discovered the southernmost remains ever found of Purgatorius—the earliest-known relative of all ...

Michael Bay's disaster epic Armageddon was a huge box office hit, but most critics didn't care for it, especially Roger Ebert.

With the Earth moving between the moon and the sun, its giant shadow changing the moon's reflected glow from ivory to a reddish color.