Black holes that have been obscured by clouds of dust still emit infrared light, enabling astronomers to spot them for the very first time

Active galactic nuclei are supermassive black holes at the center of certain galaxies. As matter falls into these black holes, enormous amounts of energy are released, making active galactic nuclei, or AGN,

A black hole infamous for strange features has once again baffled astronomers, this time with rapid X-ray flashes. What could they be?

Most picture the night sky as an endless sea of twinkling stars. But if your eyes could see the universe in X-rays, you’d spot thousands upon thousands of bright points representing giant black holes feeding on gas and dust.