On July 1, 2025, the Asteroid Terrestrial-impact Last Alert System (ATLAS) survey telescope, located in northern Chile, ...

A mysterious object, first observed hurtling across the solar system on July 1, has now been identified as "very likely to be ...

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

NASA has discovered an interstellar comet that's wandered into our backyard. Luckily, it won't get near enough to be a threat ...

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

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

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

"Eight minutes later, the orbiter started receiving data from the descent probe, which slammed into the top of the Jovian atmosphere at a comet-like speed of 170,000 kilometers per hour," NASA ...

Dubbed 3I/ATLAS, it is blazing through our cosmic cul-de-sac at truly awe-inspiring speeds between the main asteroid belt and ...

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

A mystery interstellar object spotted last week by astronomers could be the oldest comet ever seen, according to scientists.

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...