The first black hole that astronomers observed "turning off" just turned back on, releasing jets of hot gas into the cosmos.

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

A large international team of scientists observed a rare event in real time: a dramatic increase in radio emission and the ...

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 ...

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

According to the research shared at the 245th meeting of the American Astronomical Society in National Harbor, Maryland, the observed X-ray oscillations are believed to originate from a compact white ...

Astronomers detected X-ray flashes from the black hole that increased in frequency from one every 18 minutes to one every seven minutes.

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

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

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

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

The dense stellar remnant would, if confirmed, be the closest known object to any black hole, according to preliminary ...