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

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

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

A black hole in a distant galaxy has kept astronomers hooked to its quasiperiodic eruption activity, which is not a regular phenomenon.

A previously dormant supermassive black hole in the galaxy SDSS1335+0728, located roughly 300 million light-years from Earth, ...

After years of observation, researchers concluded that the sudden changes in the galaxy were likely caused by its black hole ...

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

Although we know that supermassive black holes (millions of times the mass of our sun) lurk at the center of most galaxies, ...

located about 300 million light-years away from us. The start of the supermassive black hole devouring matter around it and erupting with short-lived flaring events called quasiperiodic eruptions ...

What can astronomers learn from observing black holes that suddenly wake up? This is what a recent study published in Nature ...

A mysterious black hole in a distant galaxy just woke up after decades of silence—and it’s putting on a cosmic light show! ESA’s XMM-Newton and other X-ray telescopes are capturing massive bursts of ...

The previously inactive supermassive black hole at the heart of the galaxy SDSS1335+0728, located about 300 million light-years away ... on its manifestation with NASA's Swift X-ray space telescope.