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 ...
Supermassive black holes with powerful jets of high-energy particles, pointing directly at Earth are called blazars.
The James Webb Space Telescope has captured a mid-infrared picture of Sagittarius A*, filling in a long-standing gap in ...
A supermassive black hole has been discovered by astronomers that's shooting a giant energy beam directly at Earth.
Galactic nuclei images reveal how supermassive black holes interact with their surroundings using infrared telescopes.
"Finding more supermassive black holes that are potentially hosting jets raises the question as to how these black holes grew ...
A strange black hole is making scientists scratch their heads.
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 ...
A supermassive black hole in a distant galaxy is once again surprising scientists. In 2018, a black hole called 1ES 1927+654, ...