NASA telescopes in Chile have discovered a comet from interstellar space, making its closest approach in October.

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

It’s only the third interstellar object ever detected. You can track its progress online and maybe even see it from a ...

Our cosmic home, the solar system, contains incredible planets and magnificent celestial objects, all held together with the ...

Astronomers are monitoring an object headed our way that may have wandered over from another star system. The European Space ...

Astronomers have announced the discovery of a monumental interstellar object, designated 3I/Atlas, believed to be the largest ...

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

Comet or asteroid heading for the Sun is only the third time an interstellar object has been spotted inside our group of ...

Objects that come from inside our solar system tend to move along a closed elliptical orbit, while interstellar objects follow a hyperbolic orbit, and move fast enough to be able to escape gravity.

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

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

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