Scientists have described for the first time how spacetime could crystallize into a tiny black hole.

Using just a pen and paper, a team of scientists has calculated how space and time could crystallize to form tiny black holes ...

(Philipp Tur/iStock/Getty Images Plus) Right on the brink of black hole formation, spacetime can get downright peculiar. This is where familiar physics can become unnervingly strange, and ...

A fifth dimension could fit into general relativity after all—by using this one weird trick.

A clear look at how physics defines gravity, from Newton’s force-based model to Einstein’s view of curved spacetime, and why ...