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

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

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 ...

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

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

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 ...

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

Astronomers have identified a rare cosmic phenomenon: a supermassive black hole, known as J0410−0139, located 12.9 billion ...

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

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

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