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

Its powerful jet, aimed directly at Earth, makes it the most distant blazar ever recorded, surpassing the previous ...

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 ...

The Andromeda Galaxy, our nearest galactic neighbor, is a majestic spiral galaxy like the Milky Way. Let’s uncover some ...

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.

Astronomers have detected the most ancient blazar ever observed, originating from the early universe and emitting a beam of ...