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

Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.

The comet will come much closer to Jupiter in March, zipping within 33 million miles (53 million kilometers). It will be the ...

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

Scientists are decoding fragile meteorites to uncover which small asteroids could become future treasure troves for space exploration.

A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's ...

Analysis of C type asteroid samples supports use as sources of metals and primordial material and helps target missions and resource technology.

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

Bennu samples reveal biological sugars, a strange, gum-like material, and ancient stardust that shed light on the early solar ...

In 2023, NASA’s OSIRIS-REx spacecraft brought materials from the surface of the asteroid Bennu (pictured) safely back to Earth. The returned samples were then curated carefully, to prevent the ...

The Geminids, considered one of the best and most reliable annual meteor showers, is predicted to peak Dec. 12-13.