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

Leading X-ray space telescopes XMM-Newton and XRISM have spotted a never-seen-before blast from a supermassive black hole. In ...

Black holes are among the most fascinating and enigmatic objects in the universe. Born from collapsed stars and governed by ...

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

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

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

A supermassive black hole that’s 10 million times the mass of the Sun is hurtling through space, leaving a trail of gas ...

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

Three merging galaxies host three active black holes, offering rare insight into galaxy and black hole growth.

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

Learn how a "black hole 30 billion times the mass of the sun in a galaxy 2 billion light years away" using gravitational ...

Astronomers have spotted three merging galaxies where all central black holes are actively feeding and radio bright, ...