Strange x-ray pulses hint at a surprisingly long-lived white dwarf orbiting precariously close to a supermassive black hole ...

"Finding more supermassive black holes that are potentially hosting jets raises the question as to how these black holes grew ...

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

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

Galactic nuclei images reveal how supermassive black holes interact with their surroundings using infrared telescopes.

Astronomers discover a supermassive black hole, weighing 700 million suns, firing a giant energy beam directly at Earth from ...

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 ...

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

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

Supermassive black holes with powerful jets of high-energy particles, pointing directly at Earth are called blazars.

A supermassive black hole has been discovered by astronomers that's shooting a giant energy beam directly at Earth.

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