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

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 ...

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

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 ...

Comet 3I/ATLAS is the third confirmed interstellar visitor to our solar system. But with the Rubin Observatory now scanning ...

3I/ATLAS is only the third object which has been confirmed to have originated outside our solar system after 1I/Oumuamua ...

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

This is only the third interstellar object ever found. The first was 'Oumuamua in 2017, and the second, Borisov, in 2019.

A newly discovered comet, 3I/ATLAS, may be the most ancient visitor ever detected, potentially older than our solar system ...

Formed around a distant star elsewhere in the Milky Way, it is an interstellar wanderer, not a merely interplanetary one.

After defending his PhD thesis on modeling interstellar objects on Monday, June 30, Matthew Hopkins intended to take some ...