Interstellar comet 3I/ATLAS is now visible post-perihelion and will be streamed live tonight by The Virtual Telescope Project ...

Two greenish-hued comets are swinging through the inner solar system this fall, offering a rare chance to spot them in the coming weeks. The comets, named C/2025 A6 (Lemmon) and C/2025 R2 (SWAN), are ...

After briefly escaping from Earth's view during a (very) close approach to the sun on Oct. 30, Comet 3I/ATLAS can finally be ...

With an apparent brightness of magnitude 9.7, the object's light requires 17 minutes and 18 seconds to traverse the distance to our planet.

Astronomers around the world have been fascinated by a particular comet for weeks. It is called 3i/ATLAS, and it is the third ...

Comet Lemmon, or C/2025 A6, was discovered by the Arizona-based Mount Lemmon Survey, which observed it as an almost ...

A recently discovered comet known as the "golden comet" has dramatically broken apart into three pieces after a close ...

NEW YORK (AP) — Two bright green comets are streaming through the skies and are visible to skygazers in the Northern Hemisphere. Both hail from the outer edges of our solar system — possibly what’s ...