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

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

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

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

Black holes are fundamental to the structure of galaxies and critical in our understanding of gravity, space, and time. A ...

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 ...

Astronomers have discovered strong evidence of a supermassive black hole in the Large Magellanic Cloud, a satellite galaxy of ...

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

A Michigan State University researcher saw X-rays coming from a black hole using the NASA Chandra X-Ray Observatory telescope ...

Whether a galactic environment has the right conditions for habitable planets to form could depend on how the black hole in ...

Whether a galactic environment has the right conditions for habitable planets to form could depend on how the black hole in ...

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 ...