The ATLAS (short for Asteroid Terrestrial-impact Last Alert System) is a NASA-funded program developed by the University of ...

A mystery interstellar object discovered last week is likely to be the oldest comet ever seen – possibly predating our solar system by more than three billion years, researchers say. The "water ...

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

Astronomers have discovered yet another alien visitor to the Solar System.

Kareta says that come October, when the comet gets closer to Earth, "under dark skies ... with a big telescope and some ...

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

The comet was discovered by the NASA -funded Asteroid Terrestrial-impact Last Alert System (ATLAS) survey telescope in Chile ...

Astronomers tracking an interstellar object flying through the solar system think it comes from a star at least 8 billion ...

Astronomers are meticulously tracking the new interstellar visitor that is crossing our solar system. Officially designated ...

The comet was identified as interstellar due to its highly eccentric hyperbolic orbit, which is unlike the elliptical orbits of native Solar System objects.

A newly discovered comet, 3I/ATLAS, may be the most ancient visitor ever detected, potentially older than our solar system itself. Unlike previous interstellar objects, this ice-rich comet seems to ...