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

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

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

Astronomers have uncovered the most distant blazar ever discovered, a supermassive black hole with a mass of 700 million suns ...

"What If is an epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a ...

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 ...

A large international team of scientists observed a rare event in real time: a dramatic increase in radio emission and the ...