Astronomers were puzzled by a black hole around 50 million times the mass of the sun with no stars, spotted by the James Webb ...

Astronomers have found a system of three supermassive black holes, all actively feeding, that appear to be combining into a ...

A supermassive black hole in the spiral galaxy NGC 3783 just delivered an X-ray surprise that astronomers have never watched ...

Black holes are notorious for gobbling up everything that comes their way, but astronomers using the Atacama Large Millimeter ...

Galaxy mergers are not uncommon throughout the Universe; in fact, they're thought to be one of the major mechanisms whereby ...

A supermassive black hole residing within the Large Magellanic Cloud (LMC) - a satellite galaxy - is on a collision course ...

New observations reveal that the relationship between ultraviolet and X-ray light in quasars has changed over billions of ...

Astronomers have observed a star's fatal brush with a supermassive black hole, creating a tidal disruption event called AT2020afhd.

In a patch of sky about 1. 2 billion light-years from Earth, astronomers have found a cosmic rarity: three galaxies caught in ...

Astronomers have confirmed the first known triple system in which all three galaxies host actively feeding, radio-bright ...

A black hole the mass of at least ten million suns is tearing through space, fast enough to escape its home galaxy. As it goes, it plows into thin galactic gas, piling it up into a luminous shock ...

Supermassive black holes, which can possess millions to billions of times the mass of our Sun, are believed to grow by consuming material and merging with other black holes during galactic collisions.