Could the universe have more dimensions than we realize? (Image credit: Getty) String theory is a purported theory of everything that physicists hope will one day explain … everything.

String theory offers a path to quantum gravity, which few alternatives can truly match. If we make the judicious choices of "the math works out this way," we can get both General Relativity and ...

Since the 1980s, string theory has emerged as the leading candidate for achieving every physicist’s dream: reconciling general relativity with quantum mechanics and thereby finding a tidy ...

The final installment of a three-part NOVA series about "String Theory," a new branch of science that seeks to explain nothing less than how the universe works, airs on PBS. Ray Suarez speaks with ...

A year ago, the top living string theorist, Ed Witten, wrote a piece on what every physicist should know about string theory. Here's what that means, translated for non-physicists.

The physicist Subir Sachdev borrows tools from string theory to understand the puzzling behavior of high-temperature superconductors.

In “The Elegant Universe,” Brian Greene brings general relativity, quantum mechanics and string theory to prime-time TV and the Web.

Researchers describe how to carry out the first experimental test of string theory in a paper published September 2 in Physical Review Letters.

String theory is a purported theory of everything that physicists hope will one day explain … everything.