Strange x-ray pulses hint at a surprisingly long-lived white dwarf orbiting precariously close to a supermassive black hole ...
The newly discovered "blazar," which has a mass equal to 700 million suns, is the oldest of its kind ever seen and changes ...
Supermassive black holes with powerful jets of high-energy particles, pointing directly at Earth are called blazars.
"Finding more supermassive black holes that are potentially hosting jets raises the question as to how these black holes grew ...
A supermassive black hole has been discovered by astronomers that's shooting a giant energy beam directly at Earth.
A strange black hole is making scientists scratch their heads.
Astronomers have detected the most ancient blazar ever observed, originating from the early universe and emitting a beam of ...
A black hole infamous for strange features has once again baffled astronomers, this time with rapid X-ray flashes. What could ...
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 seven minutes.
A supermassive black hole in a distant galaxy is once again surprising scientists. In 2018, a black hole called 1ES 1927+654, ...