Supermassive black hole, Earth

Strange x-ray pulses hint at a surprisingly long-lived white dwarf orbiting precariously close to a supermassive black hole ...
"Finding more supermassive black holes that are potentially hosting jets raises the question as to how these black holes grew ...
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.
The dense stellar remnant would, if confirmed, be the closest known object to any black hole, according to preliminary ...
A strange black hole is making scientists scratch their heads.
Black hole quantum effects are usually thought to be too small to have any observable signatures. This is indeed the case for ...
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 ...