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

A strange black hole is making scientists scratch their heads.

"For such a faint and unknown target, we were not sure if we would get any data at all — but the strategy worked." ...

MIT astronomers have been captivated by the strange behaviors of a supermassive black located 270 million light-years away, ...

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

Using observations from 2017 and 2018, the Event Horizon Telescope (EHT) Collaboration has advanced our understanding of the ...

Some 275 million light-years from the Milky Way lies a true cosmic mystery. There, in the heart of a galaxy named 1ES ...

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

There's a universe full of black holes out there, spinning merrily away—some fast, others more slowly. A recent survey of ...

The astronomers have detected flashes of X-rays coming from the black hole at a steadily increasing clip. Over a period of ...