Detailed photos from the newly operational Vera C. Rubin Observatory have revealed that the recently discovered interstellar ...

"It could represent some of the oldest and most pristine water ever observed, formed in another planetary system and ...

Comet 3I/ATLAS was first identified by the Asteroid Terrestrial-impact Last Alert System (ATLAS), a global network of four ...

How do we know 3I/ATLAS, also called comet C/2025 N1 (ATLAS), is interstellar? Will it strike Earth? Can we visit it? Here ...

A controversial new study suggests that 3I/ATLAS, a fast-moving interstellar object, could be an alien spycraft posing a ...

The long-serving space telescope saw the third interloper to enter the solar system from beyond its limits late on Monday ...

However, we might also want to look for hints of alien origin. One very strong piece of evidence would be any kind of radio ...

A newly discovered interstellar comet may be carrying the oldest water in the universe — and it's now passing through our ...

The Vera C. Rubin Observatory, equipped with the largest digital camera for astronomy, was the first to spot the interstellar object 3I/ATLAS before its official discovery.

Loeb points to several unusual traits that set 3I/ATLAS apart from typical comets. "The retrograde orbital plane of 3I/ATLAS ...

New photos, including a striking technicolor timelapse, show off the newly discovered interstellar object 3I/ATLAS as it ...

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