The James Webb Space Telescope has captured a mid-infrared picture of Sagittarius A*, filling in a long-standing gap in ...

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

Researchers have found there are many more black holes in the universe than once thought. (Credit: WikiMedia Commons) Most ...

The former Loose Women panellist, 64, looked loved up with her partner, 43, as the couple raised a glass by a pool in Nice on ...

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

NASA's Chandra and NuSTAR telescopes have teamed up to study a supermassive black hole-powered quasar that could have played ...

A fluffy cluster of stars spilling across the sky may have a secret hidden in its heart: a swarm of over 100 stellar-mass black holes.

The interferometer team, led by Steve Ertel, associate astronomer of Steward Observatory, observed several phenomena ...

Active galactic nuclei are supermassive black holes at the center of certain galaxies. As matter falls into these black holes ...

Astronomers have captured the most detailed infrared images yet of an active galactic nucleus (AGN), using the Large ...

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 ...

NASA’s Webb telescope uncovers mysterious "little red dots," pointing to the existence and growth of supermassive black holes ...