Researchers spotted a second distant star orbiting a well-known black hole and its stellar companion in a never-before-seen ...

Astronomers have accidentally discovered the first-known "black hole triple" system, containing a dark void orbited by two stars. The unique configuration of this triad hints that the black hole ...

A decade after the discovery of the “amplituhedron,” physicists have excavated more of the timeless geometry underlying the ...

If true, this theory could explain how all of the matter in our universe was created.

The image of Sagittarius A*, the black hole at the heart of the Milky Way, captured by the Event Horizon Telescope.

When black holes merge, what happens inside of them is anybody's guess. Black hole mergers are beautiful — and some of the most violent events in the cosmos. Here's how the process unfolds.

Popular Mechanics reports on how some scientists are suggesting that black holes could be back doors to other universes ... for example near classical singularities, where we still do not have any ...