"This pushes our models to their limits and challenges our existing ideas about how these X-ray flashes are being generated." ...

A distant galaxy that lay quiet for decades has suddenly stirred, lighting up in dramatic bursts that have caught astronomers ...

A black hole jet from the Centaurus A galaxy is "hitting something along its path," that is baffling astronomers. The Chandra ...

Ansky, a once-dormant black hole, is now emitting powerful X-ray bursts, giving scientists a rare chance to study its activity in real time.

Unusual signals called quasi periodic eruptions appear to come from black holes, but we don't know what creates them. Now ...

Researchers have spent the past few years watching a black hole re-awaken roughly 300 million light-years away from Earth.

In 2018 astronomers at MIT and elsewhere observed previously unseen behavior from a black hole known as 1ES 1927+654, which ...

Every big galaxy has a supermassive black hole at its center, but scientists are still trying to fully understand how these ...

While it's much smaller than the largest supermassive black holes detected, it's still a whopper considering how early in the ...

No explosive birth needed: The discovery suggests this black hole likely formed through direct collapse, a quiet implosion ...

The quasi-periodic eruptions of X-rays from a black hole 300 million light-years away are unlike any researchers have ever ...

A supermassive black hole that scientists have nicknamed "Ansky" is now awake after a long dormant period, emitting powerful ...