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

Learn why a black hole is becoming active and why experts still can't explain the source of its regular, periodic pattern of ...

Astronomers are investigating the longest and most energetic bursts of X-rays seen from a newly awakened black hole. Watching this strange behavior unfold in real time offers a unique opportunity to ...

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

"This rare event provides an opportunity for astronomers to observe a black hole's behavior in real time," said astronomer ...

Scientists have observed a previously inactive supermassive black hole producing regular, powerful X-ray eruptions that ...

The black hole at the heart of galaxy SDSS1335+0728, located 300 million light-years away, was quiet for decades as it consumed little matter and was in a dormant state. But recently it suddenly lit ...

This artist’s impression illustrates the mechanism that could be at the origin of the powerful bursts of X-ray light seen ...

Ansky was first seen erupting in 2019, with bursts of X-ray light from February 2024. These repeated at almost regular ...

Artist’s impression of the accretion disc around the massive black hole Ansky and its interaction with a small celestial object ...

A massive black hole at the heart of a galaxy in the Virgo constellation is waking up, shooting out intense X-ray flares at ...

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