"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 ...

The first black hole that astronomers observed "turning off" just turned back on, releasing jets of hot gas into the cosmos.

Active galactic nuclei (AGN) are among the most energetic phenomena observed in the universe. These luminous objects, powered ...