The spins of some early galaxies could be a clue that the entire observable universe exists within a black hole—except, that ...

"Many supermassive black holes may lie concealed within dusty regions of the early universe, undetected," said astronomer Takafumi Tsukui.

Einstein believed that black holes didn't really exist. But they do: that much we know. We don't know much else about them.

A new study of 263 galaxies has provided fresh evidence to support a theory that our universe is the interior of a black hole ...

U.S. National Science Foundation NOIRLab astronomers, using data from the James Webb Space Telescope and the Chandra X-ray Observatory, have discovered an early universe supermassive black hole ...

As you descend toward a black hole, time slows to a crawl and light bends into oblivion. Cross the horizon, and your fate is ...

"The singularity is the most mysterious and problematic part of a black hole. It's where our concepts of space and time ...

Astronomers may have found the long-missing half of the universe's regular matter—and it appears to have been right under our ...

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

The black hole at the heart of galaxy SDSS1335+0728, located 300 million light-years away, was quiet for decades as it ...

Black holes are one of the mysteries of the universe where all the laws of nature as we know them stop working.

Primordial black holes are ancient mysteries, born in the universe’s earliest seconds. Unlike regular black holes, they weren ...