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

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

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

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

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

The black hole at the heart of galaxy SDSS1335+0728, located 300 million light-years away, was quiet for decades as it ...

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

Discover the power of black holes and their jets, and how they impact the formation of stars and potentially habitable worlds ...

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

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

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 ...