Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...

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 mysterious interstellar object has been caught on camera for the first time as it hurtles through the solar system. First ...

It's only the third time that experts have spotted an object in the Milky Way that's come from a different solar system. Find ...

NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space ...

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

Astronomers have discovered a rare instance of a interstellar comet speeding through the solar system. The 3I/ATLAS was first ...

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

A comet has entered the Solar System from interstellar space and will pass through the inner planets later this year, NASA ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...