Adam Queen's fingers nimbly slide across the empty face of the tennis racket. The hole in the frame quickly fills as Queen, with a surgeon's precision, guides a 40-foot piece of synthetic white string ...

In the last few years, excitement has grown among scientists as they've pursued a revolutionary new approach to unifying nature's forces. To the uninitiated, string theory is totally mind-boggling.

In a Lowhill Township living room with a 26-foot-high chimney and a library of stringed instruments, three Portuguese men and an English-American are promoting their new project: a 56-year-old master ...

String theory began over 50 years ago as a way to understand the strong nuclear force. Since then, it’s grown to become a theory of everything, capable of explaining the nature of every particle, ...

reviews the concepts of general relativity (Einstein's theory of gravity that describes the universe on a large scale) and quantum mechanics (a theory that describes the universe on a very small scale ...