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

Researchers have spent the past few years watching a black hole re-awaken roughly 300 million light-years away from Earth. And what they’ve documented challenges prevailing theories about black hole ...

Q: If the gravity of a black hole is so strong that nothing can escape from it, not even light, how has the Hubble Space Telescope recorded images of gas jets ejected from black holes?

While solitary black holes should be common, they are hard to find. The one in Sagittarius revealed itself when it passed in front of a dim background star, magnifying the star’s light and slowly ...

When a miniature black hole shows up in a man's house, he has to learn to deal with it. But as time passes, his obsession with the anomaly grows, and he begins to dance with danger as he utilizes ...

Black holes are points in space that are so dense they create deep gravity sinks. Beyond a certain region, not even light can escape the powerful tug of a black hole's gravity. And anything that ...

This artist’s impression illustrates the mechanism that could be at the origin of the powerful bursts of X-ray light seen from a newly awakened black hole named Ansky. ESA; ACKNOWLEDGEMENTS ...

The Event Horizon Telescope Collaboration, an international research team working to shoot images of a black hole, announced on May 12 that it successfully provided the first visual evidence of ...