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, ...

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

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.

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

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

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

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

"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 ...