New research is shedding light on what researchers call "lite" intermediate-mass black holes, which are smaller, but still ...

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

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

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 ...

An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed.

Long theorized but never observed, the first known “planet with a death wish” is described by Ilin and her colleagues in a ...

Astronomy news always seems to break over coffee, on laptop startup. That was the case on Wednesday morning, when word of a ...

New observations show a star that blew up in two separate bursts, confirming a long-suspected cosmic phenomenon called a ...

Astronomers capture first image of a white dwarf exploding twice in space Rare double-detonation seen in supernova remnant ...

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

We have discovered two interstellar objects so far, ’Oumuamua and Comet 2I/Borisov. ’Oumuamua had no dust tail and a ...

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