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

A controversial new paper questions whether the interstellar object 3I/ATLAS is a potentially dangerous alien probe, similar to claims made about 'Oumuamua. But experts have called it "nonsense".

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

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

The photos reveal a bright and well-developed coma, the cloud of gas and dust surrounding the comet's nucleus, with striking ...

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

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

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

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

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 ...

When the news started to spread on July 1, 2025, about a new object that was spotted from outside our solar system, only the ...

An object from another star has been seen entering the solar system at high speed, and is expected to whip around the sun in the coming months ...