A supermassive black hole in the spiral galaxy NGC 3783 just delivered an X-ray surprise that astronomers have never watched ...

QSO1. It lived just 700 million years after the Big Bang and already had a mass about 50 million times that of the Sun.

Astronomers were puzzled by a black hole around 50 million times the mass of the sun with no stars, spotted by the James Webb ...

A supermassive black hole that’s 10 million times the mass of the Sun is hurtling through space, leaving a trail of gas ...

Three supermassive black holes igniting at once in a single system is one of the most extreme feeding frenzies the universe ...

In a patch of sky about 1. 2 billion light-years from Earth, astronomers have found a cosmic rarity: three galaxies caught in ...

Galaxy mergers are not uncommon throughout the Universe; in fact, they're thought to be one of the major mechanisms whereby ...

A new image of M87 shows and confirms for the first time the feeding ring and jet of its supermassive black hole.

Caltech’s Katie Bouman explains how the Event Horizon Telescope Collaboration captured the first imager of the Sagittarius A* ...

Three merging galaxies host three active black holes, offering rare insight into galaxy and black hole growth.

Astronomers have confirmed the first known triple system in which all three galaxies host actively feeding, radio-bright ...

Black holes are notorious for gobbling up everything that comes their way, but astronomers using the Atacama Large Millimeter ...