Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...

An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed.

Astronomers have discovered a rare instance of a interstellar comet speeding through the solar system. The 3I/ATLAS was first ...

Astronomers spotted an object speeding at 133,200 miles per hour (about 214,364 kilometres per hour), which is too fast to be from our solar system ...

A newly discovered object, dubbed A11pl3Z, appears to be moving too fast and straight to have originated in the solar system. If confirmed, it will be the third interstellar visitor ever spotted.

It's only the third time that experts have spotted an object in the Milky Way that's come from a different solar system. Find out more here.

A rare interstellar comet is flying through our solar system. Here's how—and when—you might be able to see Comet ATLAS from ...

An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.

Astronomers have confirmed the third interstellar object on record is dashing through our solar system. Dubbed 3I/ATLAS, it ...

A newly discovered interstellar comet could be older than the Solar System, and scientists think it carries secrets from the ...

The astronomers observed hot minerals just beginning to solidify – the first specks of planet-forming material, the ...