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

It's out of this world. Or, more accurately, this solar system.On July 1, astronomers discovered an object near the orbit of Jupiter that was somewhat peculiar. It had a strange orbit, one that didn't ...

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

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

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

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

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