Astronomers are scrambling to gather data on a mysterious object that’s currently hurtling through the solar system.

Astrophysicist Josep Trigo-Rodriguez of the Institute of Space Sciences near Barcelona, Spain, believes it is an interstellar ...

How frequently does a traveler from another star system sweep through our galactic neighborhood, and astronomers rush to the telescope? Not until recently was the answer: hardly ever. In fewer than ...

A11pl3Z's eccentricity is now estimated to be near 6.0, the highest seen yet, confirming its hyperbolic orbit.

There's a new interstellar comet in the neighborhood! Known as 3I/ATLAS, this comet poses no threat to Earth – but it does ...

Experts have confirmed that the mysterious object hurtling towards us, previously dubbed A11pl3Z, is an "interstellar object.

A newly discovered object, dubbed A11pl3Z, appears to be moving too fast and straight to have originated in the solar system.

Newfound interstellar object 3I/ATLAS may be carrying pristine material from early in the Milky Way’s star-forming history.

An object from another star has been seen entering the solar system at high speed, and is expected to whip around the sun in ...

A potential interstellar interloper is currently zooming toward the Sun. Its strange approach angle suggests it may have come ...

The comet-like body, designated 3I/ATLAS, is hurtling towards the Sun at a speed of over 60 kilometres per second ...

So far, two interstellar celestial bodies have been discovered hurtling through the solar system. Evidence of the next one is ...