Astronomers have used space-based telescopes, including NASA's Swift X-ray observatory, to watch a monster black hole spring to life with powerful X-ray eruptions.

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

This galaxy's central black hole appears to be a "messy eater" as its interstellar scraps are strewn into space.

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

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 ...

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

Whether a galactic environment has the right conditions for habitable planets to form could depend on how the black hole in ...

Whether a galactic environment has the right conditions for habitable planets to form could depend on how the black hole in ...

Sagittarius C is one of the most extreme environments in the Milky Way galaxy. This cloudy region of space sits about 200 ...

A Michigan State University researcher saw X-rays coming from a black hole using the NASA Chandra X-Ray Observatory telescope ...

The researchers confirmed that two enormous stars, each more than 20 times the mass of the sun, are growing inside ...

The Vanguart watches, with their innovative joysticks and flying tourbillons, have been dreamed up and built by watchmaking ...