Its time for one last look at comet Tsuchinshan-ATLAS. This long-period comet from the Oort Cloud — a sphere around the solar system that’s home to millions of comets — comet Tsuchinshan-ATLAS (also ...

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

While online conspiracies swirl, comet 3I/ATLAS made a close pass by Earth on Dec. 19, giving astronomers a rare glimpse of a ...

An ancient comet discovered in our solar system this summer is offering a rare opportunity to learn more about distant planetary systems far beyond the reach of any spacecraft, researchers say. The ...

The Gemini South telescope captured new images of the interstellar comet 3I/ATLAS, which will make its closest approach to Earth in October. Credit: International Gemini Observatory / NOIRLab / NSF / ...

Comets masquerading as asteroids are being found in increasing numbers, with 14 now known in the asteroid belt. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

C/2025 K1 (ATLAS) has broken into three distinct pieces following its closest approach to the sun on Oct. 8. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

Perplexity on Wednesday launched its first AI-powered web browser, called Comet, marking the startup’s latest effort to challenge Google Search as the primary avenue people use to find information ...

Astronomers have captured striking footage of the solar system comet C/2025 K1 (ATLAS) breaking apart on the nights following Nov. 11 after it was destabilized by a close brush with the sun in early ...