Cosmic “touchdown airbursts” — explosions of comets or asteroids above Earth’s surface — may be far more common and destructive than previously thought, according to new research. Unlike ...

Most dangerous asteroids don’t come with warning signs, and some are almost impossible to spot until it’s too late.

Since then, astronomers have observed all manner of lensing caused by all manner of bodies—perhaps none as visually striking ...

Astronomers just spotted 100 brand-new asteroids, and some of them are cruising uncomfortably close to Earth. Most space ...

Interstellar comet 3I/ATLAS makes its closest approach to Earth on Dec. 19. Here's how you can track its progress both during ...

Our Solar System contains tens of thousands of potentially dangerous asteroids that could wipe out an entire city, or worse.

David Rankin of the Catalina Sky Survey in Arizona spends nights scanning the solar system for potentially catastrophic space ...

On December 19, avid skywatchers can catch a glimpse of the mysterious visitor through powerful binoculars or a telescope ...

Unlike YR4, finding earlier observations of 3I/ATLAS to model where it might have come from was easier said than done. During ...

This week marks the last chance for backyard astronomers to see interstellar Comet 3I/ATLAS before it races on its journey ...

With 3I/ATLAS days away from making its closest approach to Earth, agencies worldwide are conducting the largest and most ...

Discovered over the summer, the comet known as 3I/Atlas will pass within 167 million miles of our planet on Friday. That's as ...