Marcus Chown’s “A Crack in Everything” is a journey through space and time with the people studying one of the most enigmatic ...
Galactic nuclei images reveal how supermassive black holes interact with their surroundings using infrared telescopes.
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.
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 ...
Astronomers have detected the most ancient blazar ever observed, originating from the early universe and emitting a beam of ...
Astronomers discover a supermassive black hole, weighing 700 million suns, firing a giant energy beam directly at Earth from ...
The dense stellar remnant would, if confirmed, be the closest known object to any black hole, according to preliminary ...
In 2018, a galaxy about 270 million light-years away from Earth exhibited a major increase in activity. It quieted down again by 2020 -- only to dramatically increase its output again in 2023. At that ...