A black hole infamous for strange features has once again baffled astronomers, this time with rapid X-ray flashes. What could ...

The newly discovered "blazar," which has a mass equal to 700 million suns, is the oldest of its kind ever seen and changes ...

A remarkable black hole, located 270 million light-years away in the Draco constellation, has become the center of ...

Galactic nuclei images reveal how supermassive black holes interact with their surroundings using infrared telescopes.

Active galactic nuclei are supermassive black holes at the center of certain galaxies. As matter falls into these black holes ...

The first black hole that astronomers observed "turning off" just turned back on, releasing jets of hot gas into the cosmos.

MIT astronomers have been captivated by the strange behaviors of a supermassive black located 270 million light-years away, ...

Astronomers detected X-ray flashes from the black hole that increased in frequency from one every 18 minutes to one every ...

Supermassive black holes with powerful jets of high-energy particles, pointing directly at Earth are called blazars.

The observations revealed features never before seen in real time around a supermassive black hole. Among them was the launch ...

Astronomers plan to keep their eye on this curious black hole, located in deep space some 270 million light-years away. More surprises may await. Mark is an award-winning journalist and the ...

Astronomers monitoring a supermassive black hole in the heart of a distant galaxy have detected features never seen before ...