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 ...

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

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

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

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

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

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

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

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

A strange black hole is making scientists scratch their heads.