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 Lorena Hernández-García.

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 ...

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

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

Astronomers have reached deeper into the heart of a brilliant cosmic engine than ever before, using NASA’s Hubble Space ...

Supermazes” are theoretical structures that provide a fresh blueprint for understanding the microscopic complexity of black ...

Here is a guide to the major actors featured in "Black Mirror" Season 7, releasing on Netflix April 10, from Paul Giamatti to ...

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

Now one of Bulgaria’s most popular resorts, Sozopol remains lesser known to international visitors, though it’s unlikely to ...

Forget about a hole in the bottom of the sea, this octopus has found a hole in the beach. All octopuses have gills, so they ...