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 ...

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

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 ...

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

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

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

New simulations have narrowed down where the newly discovered interstellar comet 3I/ATLAS likely came from, revealing it could be more than 3 billion years older than the solar system.

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

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