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

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

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

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

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

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

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 ...

Loeb points to several unusual traits that set 3I/ATLAS apart from typical comets. "The retrograde orbital plane of 3I/ATLAS ...

Comet 31/ATLAS, a rare interstellar object, may be 7 billion years old and could reveal secrets about the early Milky Way 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 consequences, should the hypothesis turn out to be correct, could potentially be dire for humanity," said Avi Loeb.