In this artist’s concept, matter is stripped from a white dwarf (sphere at lower right) orbiting within the innermost accretion disk surrounding 1ES 1927+654’s supermassive black hole. Astronomers ...

Scientists have detected emanating from the nucleus of a galaxy relatively close to our Milky Way flashes of X-rays gradually ...

Strange x-ray pulses hint at a surprisingly long-lived white dwarf orbiting precariously close to a supermassive black hole ...

"This tells us that objects like white dwarfs may be able to live very close to an event horizon for a relatively extended period of time." ...

The observations revealed features never before seen in real time around a supermassive black hole. Among them was the launch ...

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.

MIT astronomers observed flashes of X-rays coming from a supermassive black hole at a steadily increasing clip. The source could be the core of a dead star that’s teetering at the black hole’s edge.

International astronomers have discovered new features in a supermassive black hole in galaxy 1ES 1927+654, located 270 ...

International teams of astronomers monitoring a supermassive black hole in the heart of a distant galaxy have detected ...