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 ...

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

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 ...

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

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 ...

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

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

A massive black hole at the heart of a galaxy in the Virgo constellation is waking up, shooting out intense X-ray flares at regular intervals that have puzzled scientists, a study said Friday.