The John J. McCarthy Observatory - run by volunteers on the grounds of New Milford High School - has been watching the night sky for 25 years.

Most near-Earth asteroids are thought to drift in from the main asteroid belt. But a small subset may have a much closer ...

NASA’s latest alert about a near‑Earth asteroid has revived a familiar mix of anxiety and curiosity about what would happen ...

NPR's Ailsa Chang speaks to astronomer Sarah Greenstreet about her team's new discovery of the fastest-spinning large asteroid known to man.

This coming July, Venus could plow through the dust generated by an asteroid breakup thousands of years ago, potentially ...

Astronomers at the University of Washington recently discovered a record-breaking asteroid using early images from the new Vera C. Rubin Observatory in Chile, Azernews reports, citing foreign media.

Dear EarthTalk: It seems to me the single biggest potential “environmental” problem we could face—even bigger than global warming or a nuclear war—is a comet or asteroid striking the Earth. Do we ...

Tracking comets accurately is hard. A new effort with the U.N. and NASA aims to better chart these visitors using 3I/ATLAS. When you purchase through links on our site, we may earn an affiliate ...

A powerful new telescope spots an unusually large asteroid spinning faster than thought possible, challenging long held ideas ...

Unistellar's citizen scientists are using their smart telescopes to engage in planetary defense, research and observational astronomy.

Choose your fighter for the origin of water on Earth! Was it always here or did it come to this planet from somewhere else in space? And, either... Comets, asteroids, and planets: The likely origins ...