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

Strange x-ray pulses hint at a surprisingly long-lived white dwarf orbiting precariously close to a supermassive black hole ...

Black holes that have been obscured by clouds of dust still emit infrared light, enabling astronomers to spot them for the ...

Marcus Chown’s “A Crack in Everything” is a journey through space and time with the people studying one of the most enigmatic ...

A supermassive black hole has been discovered by astronomers that's shooting a giant energy beam directly at Earth.

NASA's Chandra and NuSTAR telescopes have teamed up to study a supermassive black hole-powered quasar that could have played ...

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

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

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

Astronomers discover a supermassive black hole, weighing 700 million suns, firing a giant energy beam directly at Earth from ...

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

Astronomers have detected the most ancient blazar ever observed, originating from the early universe and emitting a beam of ...