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 ...

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

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

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

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

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

A strange black hole is making scientists scratch their heads.

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

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

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

The first black hole that astronomers observed "turning off" just turned back on, releasing jets of hot gas into the cosmos.