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

A previously dormant supermassive black hole in the galaxy SDSS1335+0728, located roughly 300 million light-years from Earth, ...

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

Astrophysicists have teased a hellish potential future in which life on Earth is extinguished by deadly radiation from the ...

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

A supermassive black hole, inactive so far, has awakened in the galaxy SDSS1335+0728, American space agency NASA has revealed ...

A large spiral galaxy nearly a billion light-years away harbors a supermassive black hole at its center, just like our […] ...

Hubble dimmed quasar 3C 273’s glare to reveal ghostly blobs and filaments near its core—evidence of galaxy cannibalism and ...

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

Scientists have spotted a defiant galaxy. Located nearly 1 billion light-years from Earth, the galaxy 2MASX J23453268−0449256 ...

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

The photo suggests that interstellar 'scraps' of matter are being strewn into space as the hungry black hole chows down on its dinner. "At the very center of nearly every galaxy is a supermassive ...