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

The Gemini North telescope in Hawaii recently snapped a close-up of the comet that's captured the world’s attention.

"The consequences, should the hypothesis turn out to be correct, could potentially be dire for humanity," said Avi Loeb.

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

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

Given 3I/ATLAS' highly eccentric orbit, this will be its one and only visit to our solar system, as its trajectory does not ...

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

Comet 3I/ATLAS is expected to make its closest pass by the Sun on Oct. 30, when it will fly 130 million miles inside the ...

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

I/ATLAS isn't just fascinating because it is the third interstellar visitor found in the solar system; new research suggests ...