Astronomers have found three supermassive black holes on a collision course in a rare cosmic event, situated nearly 1.2 ...

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

Three galaxies were found in the merger of a triple system, which was rare in itself, and might help observe hierarchical ...

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

A new study on some 1,600 galaxies based on data from the Chandra X-ray Observatory reveals that many small galaxies do not ...

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

Astronomers have found a system of three supermassive black holes, all actively feeding, that appear to be combining into a ...

Astronomers have discovered a rare nearby system, J1218/J1219+1035, where three galaxies are merging and each hosts an ...

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

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

Astronomers noticed something odd while reviewing radio data from distant space. Three bright signals appeared close together ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Artist’s impression of a hypervelocity star ejected from the Large Magellanic Cloud. | Credit: ...