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, ...

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

"We have discovered a galaxy that has been 'perfectly preserved' for billions of years, a true archaeological find that tells ...

The decade-long wait for U.K. astronomers ends as the NSF–DOE Vera C. Rubin Observatory reveals dazzling first images.

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new ...

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

"Each new detection brings us closer to understanding the origins of complex organic chemistry in the universe — and perhaps, ...

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

Overall, the citizen scientists identified 10,001 eclipsing binary pairs. Of those, 7,936 were previously unknown.

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 ...