Comet 31/ATLAS is only the third interstellar object to ever be observed whizzing through the Solar System. While its origins ...

Interstellar objects are visitors from solar systems beyond our own, and the third ever such object, known as 3I/ATLAS, has ...

We've only known about its existence for a few short weeks, and already astronomers have been able to learn a lot about the mysterious interstellar comet 3I/ATLAS.

Harvard astronomer Avi Loeb suggests that if interstellar object 3I/ATLAS isn't a comet, nor an asteroid, it may have been ...

The comet, officially confirmed on July 1, 2025, by the Asteroid Terrestrial Impact Last Alert System (ATLAS) telescope in ...

Using the U.S. National Science Foundation’s Gemini North telescope in Hawaii, astronomers have captured the first detailed image of our third known cosmic interloper.

Scientists have long theorized that planets, including those in our solar system, form from interstellar dust and gas as it ...

A newly discovered interstellar comet could be older than the Solar System, and scientists think it carries secrets from the dawn of the galaxy.