The 38-foot-wide space rock is projected to come to within just 123,000 miles of our planet, according to NASA.

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Tracking comets accurately is hard. A new effort with the U.N. and NASA aims to better chart these visitors using 3I/ATLAS.

A building-sized asteroid had a 1-in-32 chance of hitting Earth at its peak, but astronomers soon found there was zero chance ...

The 84-foot-diameter space rock—dubbed "2025 XM"—is hurtling through the solar system at a zippy 9,753 miles per hour.

ESA’s Hera mission is two-year flight to the Didymos binary asteroid system. See its trajectory here. Credit: ESA - European ...

Learn about the molecules and materials found in samples of asteroid Bennu, including sugars, space gum, and an abundance of ...

International team finds glucose and ribose in samples from asteroid Bennu, marking first glucose discovery in space ...

When NASA scientists opened the sample return canister from the OSIRIS-REx asteroid sample mission in late 2023, they found ...

On Dec. 13, 2012, a Chinese spacecraft flew by the asteroid Toutatis. [‘On This Day in Space’ Video Series on Space.com] ...

Principal researcher James Bauer says observations from the International Asteroid Warning Network will help experts better understand how to send spacecraft to comets in the future ...

With 3I/ATLAS just days away from making its closest approach to Earth, agencies around the globe are conducting the largest ...