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

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

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

The announcement came via a Bluesky post by an astrophysics undergraduate, who shared, "Hubble Space Telescope images of ...

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

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

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 ...

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

Most comets, including the well-known Halley's, loop through our solar system like cosmic time capsules that formed alongside ...

We've only known about its existence for a few short weeks, and already astronomers have been able to learn a lot about the ...

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