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

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

On July 1, 2025, astronomers caught sight of a mysterious object racing through the solar system. This object, now named ...

There’s a visitor in town, and its name is 3I/ATLAS. The presumed interstellar comet presents a rare opportunity for ...

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

A controversial new paper questions whether the interstellar object 3I/ATLAS is a potentially dangerous alien probe, similar ...

The largest interstellar comet discovered could be an alien technology. The newly found Manhattan-sized object, named ...

Scientists are racing to learn as much as possible about the interstellar comet 3I/ATLAS before it fades from view forever ...

I/ATLAS isn't just fascinating because it is the third interstellar visitor found in the solar system; new research suggests it's also the oldest comet ever seen, at over 7 billion years old.

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

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

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