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 ...

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

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

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

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

The dense stellar remnant would, if confirmed, be the closest known object to any black hole, according to preliminary ...

A strange black hole is making scientists scratch their heads.

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

Astronomers found a massive black hole that spent ages in a "quiet" phase when everything around it in the early universe ...

Researchers in South Korea are developing a constellation of satellites that could reveal what goes on in the vicinity of ...