Passages of the Solar System have only been established in three interstellar objects, but the construction of new telescopes ...

The interstellar visitor may still have a few things to tell us before it leaves our solar system.

Scientists have found new evidence suggesting that interstellar 3I/ATLAS is not an alien spaceship, as one conspiracy theory claims, but a comet.

The other two known interstellar comets did not offer such an opportunity.

AUSTIN (KXAN) — We’re just days away from the arrival of a comet from outside of our solar system. On December 19, 3I/ATLAS will make its closest approach to Earth after months of travel. This is the ...

3I/ATLAS is the third interstellar visitor ever to visit the solar system having been formed around a distant star. Tune in ...

Though 3I/ATLAS poses no threat to Earth or our satellites, its journey highlights how the networks we built for planetary defence are now being used for 'interstellar archaeology'. As Earth slips ...

However, the Italy-based The Virtual Telescope Project will give one last live peek at the exocomet as it cruises toward the Jovian moon Eupheme and eventually leaves the solar system. The live event ...