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

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 ...

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.

Astronomers detected X-ray flashes from the black hole that increased in frequency from one every 18 minutes to one every ...

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.