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

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

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

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

A strange black hole is making scientists scratch their heads.

One supermassive black hole has kept astronomers glued to their scopes for the last several years. First came a surprise ...

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

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

Astronomers have observed strange behaviors in a distant black hole. Plasma jets are moving fast, and X-ray flashes are ...