The smaller, intermediate mass black hole was likely derived from the Sausage Galaxy, which collided with the Milky Way 10 billion years ago.

A supermassive black hole with an exceptional 7-minute flash may have a “stellar companion.” Of three possible explanations, one is a white dwarf star caught in the black hole’s gravity.

"This work highlights Euclid’s remarkable ability to detect and characterize dwarf galaxies, enabling a comprehensive view of ...

Black holes are just one of myriad marvels ... and extends far beyond the region of luminous stars. Dwarf galaxy—The smallest and most common kind of galaxy. Elliptical galaxy—A galaxy that ...

This dwarf galaxy, a satellite of our galaxy, may have its own supermassive black hole. Evidence for this hidden cosmic titan was delivered via hypervelocity stars at the edge of the Milky Way ...