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.

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.

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

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 ...

Scientists discover 3I/ATLAS, a possible 7-billion-year-old comet from deep space. It may rewrite what we know about the ...

A team of international astronomers, including a University of Michigan doctoral student, were the first to publish the ...

New simulations have narrowed down where the newly discovered interstellar comet 3I/ATLAS likely came from, revealing it could be more than 3 billion years older than the solar system.

NASA’s New Horizons spacecraft has been used to demonstrate simple interstellar navigation by measuring the parallax of just two stars. An international team was able to determine the location and ...

In an exciting and rare new discovery, astronomers recently confirmed that a third known interstellar object has entered our solar system. The interstellar comet, dubbed "3I/ATLAS", was initially ...