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

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 ...

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

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

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