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 ...

At the turn of the century, it sounded as if string theory could give us big answers about the universe. Well… has it?

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 ...

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 ...