A stunning new image of interstellar comet 3I/ATLAS (C/2025 N1 ATLAS) reveals the cosmic visitor's ion tail has grown ...

Zhang said that, technically, comet 3I/ATLAS has only appeared to "change color" a single time  —  when its coma became ...

A video of the 3I/ATLAS interstellar comet has gone viral, sparking global interest and debate over its alleged anomalies, as scientists work to provide explanations.

Comet 3I/ATLAS, which made a close approach to the sun, has prompted lots of public interest. Kim Kardashian asked NASA's ...

A rare sight in the night sky caused early confusion when Comet Borisov was wrongly identified as interstellar object ...

The surface of comet 3I/ATLAS may have been so radically altered by cosmic rays that deducing its home star system would be ...

Space dust provides more than just awe-inspiring pictures like the Pillars of Creation. It can provide the necessary materials to build everything from planets to asteroids. But what it actually looks ...

An interstellar comet that originated outside our solar system has just made its closest pass to the sun, brightening ...

The European Space Agency's Rosetta mission launched March 2, 2004, on a 4-billion-mile (6.4 billion kilometers) path to Comet 67P/Churyumov-Gerasimenko. The mission consisted of the Rosetta orbiter ...

The rare comet 3I/Atlas has been spotted again after several weeks, this time missing its glowing tail — here’s what ...