White holes are the hypothetical opposite of black holes. While black holes suck in everything, including light, white holes are theorized to do the exact opposite—nothing can enter, and they ...

A star met a violent end in a galaxy far, far away — about 600 million light-years from Earth. It wandered too close to a black hole and was ripped apart in a bright burst of light. That much isn’t ...

An unexpected monster black hole was found hiding inside one of the Milky Way's tiniest neighbors, rewriting what scientists ...

Science fiction is full of amazing space phenomena. Some of those phenomena have gone from theory to reality — like black holes and pulsars. But what about wormholes? These portals through space are ...

Black holes are well known for swallowing everything around them, which is probably why they get talked about so often. On the flip side, white holes are their mysterious opposite. These theoretical ...

When scientists discovered an enormous black hole thousands of light-years from where it ought to be in space, they knew they ...

Theoretical physicist Alex Lupsasca is pushing for a space telescope to glimpse the thin ring of light that is thought to surround every black hole.

Ever wondered what would happen if you fell into a black hole? According to Einstein’s Theory of General Relativity, you would be crushed by the powerful gravity of its singularity: the center of a ...

This artist’s illustration depicts a dwarf galaxy that hosts an active galactic nucleus — an actively feeding black hole. In the background are many other dwarf galaxies hosting active black holes, as ...

Astronomers have detected the signal of a colossal black hole in deep space that likely formed when two already-large black holes crashed into each other billions of light-years away. The result is a ...