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

In 2018, a galaxy about 270 million light-years away from Earth exhibited a major increase in activity. It quieted down again ...

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

Active galaxy 1ES 1927+654, circled, has exhibited extraordinary changes since 2018, when a major outburst occurred in visible, ultraviolet, and X-ray light. The galaxy harbors a central black hole ...

Since 2018, we've seen 1ES 1927+654 generate jets in real time and found it may have a lone white dwarf orbiting near the ...

The weird outbursts of a distant supermassive black hole may be caused by a death-defying white dwarf walking a cosmic tight ...

A strange black hole is making scientists scratch their heads.

Black holes themselves emit no light, but the supermassive black holes at the centers of galaxies are often surrounded by ...

A large international team of scientists has observed a phenomenon that astronomers didn't ever expect to see happen in real ...

A distant supermassive black hole, the mysterious 1ES 1927+654, emits X-ray pulses unlike anything previously recorded, which ...

A mysterious black hole has started behaving even more strangely, scientists have said. The supermassive black hole has been ...

MIT astronomers report a supermassive black hole, 1ES 1927+654, displaying mysteriously accelerating x-ray flashes.