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

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

The newly discovered "blazar," which has a mass equal to 700 million suns, is the oldest of its kind ever seen and changes ...

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 ...

A black hole infamous for strange features has once again baffled astronomers, this time with rapid X-ray flashes. What could ...

Black hole quantum effects are usually thought to be too small to have any observable signatures. This is indeed the case for ...

"If our eyes were able to detect X-rays, the sky would be full of dots. And every single one of those dots would be an ...

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

NASA telescopes reveal 35% of supermassive black holes are hidden by dust, reshaping theories about their role in galaxy ...

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