Material around Chiron, a small icy world in the far reaches of the solar system, may be taking shape into a ring system of ...

Astronomers have discovered asteroid 2025 SC79, a skyscraper-sized space rock orbiting the sun in just 128 days — the second-fastest known.

As mankind was planning the first moon landing in the 1960s, an asteroid approached Earth—and still hasn’t left.

The newly discovered object 3I/ATLAS (officially designated C/2025 N1) has taken the astronomical community by surprise.

Southwest Research Institute could lose more than $265 million if the cuts go through, including defunding missions already ...

Astronomers at the Center for Research in Information and Communication Technologies (CITIC) at the University of A Coruña, ...

NASA has activated a global planetary defense group to study a massive interstellar object exhibiting strange, possibly artificial characteristics ...

Two decently bright comets that share a superficial resemblance are gracing our skies right now, in fact: C/2025 A6 (Lemmon) ...

Avi Loeb suggested that if 3I/ATLAS is a spacecraft, it may use its proximity to the Sun's powerful gravitational pull while ...

This is your rundown on the latest breaking news in space. We’ve got updates on everything from auroras to black holes, plus ...

Short-period comets get close to the sun much more often than their long-period kin, and every time they do, they deplete ...

A scientist spotted an asteroid hiding in the sun's glare that orbits the sun in just 128 days, making it the second fastest ...