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

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 ...

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

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.

Hours before Jan. 19, after the Supreme Court upheld a law that would require TikTok be sold to a U.S.-held company in order ...

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 ...