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

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

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

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

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 ...

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

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

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

Scientists are investigating whether interstellar object 3I/ATLAS is a natural comet or advanced alien technology on a ...

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