A vast ring of rocky leftovers between Mars and Jupiter, the asteroid belt preserves clues to how the planets — and Earth ...

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

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

The first flight mission for planetary defense, NASA's Double Asteroid Redirection Test (DART) seeks to validate a method to ...

The asteroid with international designation 336877, discovered by the Nanjing-based Purple Mountain Observatory of the ...

NASA's Jet Propulsion Laboratory is tracking asteroid 2025 XV, a 290-foot building-sized object, set to safely pass Earth on December 18.

NASA Planetary Scientist Noah Petro dishes on what it took plan the impressive touch-and-go return mission, why much of the ...

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

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

The interstellar comet 3I/ATLAS will make its closest approach to Earth this week on Dec. 19, 2025. Here's the latest news ...

With 3I/ATLAS slated to make its Earth tour in two days, amateur photographers and astronomers alike are scrambling to catch ...

Scientists finally explain Europa’s spider-like ice patterns, revealing violent subsurface water flows, eerie “spider demons, ...