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.
Astronomers have identified a rare cosmic phenomenon: a supermassive black hole, known as J0410−0139, located 12.9 billion ...
A supermassive black hole has been discovered by astronomers that's shooting a giant energy beam directly at Earth.
The James Webb Space Telescope has captured a mid-infrared picture of Sagittarius A*, filling in a long-standing gap in ...
Galactic nuclei images reveal how supermassive black holes interact with their surroundings using infrared telescopes.
A strange black hole is making scientists scratch their heads.
Astronomers have uncovered the most distant blazar ever discovered, a supermassive black hole with a mass of 700 million suns ...
Astronomers detected X-ray flashes from the black hole that increased in frequency from one every 18 minutes to one every ...
A supermassive black hole in a distant galaxy is once again surprising scientists. In 2018, a black hole called 1ES 1927+654, ...