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 ...

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

A supermassive black hole, which remained previously inactive, was seen erupting with the longest and most powerful X-ray ...

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 ...

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 ...

"None of these three individuals possess the slightest background or experience in space policy or government service." ...

No telescope other than the extant Hubble and Webb telescopes will be funded, including the Nancy Grace Roman Space Telescope ...

"This could potentially change our understanding of the history of the three-body interaction between the two Magellanic ...