Some physicists think there is a unit of matter more fundamental than what has been experimentally confirmed to date. They think that everything in the universe is made of tiny vibrating strands of ...

During the filming of "The Elegant Universe" between August 2001 and April 2003, series coordinating producer Andrea Cross meticulously documented the production process with her still camera. Brian ...

One of the most ambitious and exciting theories ever proposed—one that may be the long-sought "theory of everything," which eluded even Einstein—gets a masterful, lavishly computer-animated ...

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Introduces string theory and shows how modern physics—composed of two theories that are ferociously incompatible—reached its schizophrenic impasse: One theory, general relativity, successfully ...

Could the universe be rotating at an imperceptible speed? An extremely slow rotation, occurring once every 500 billion years, might explain discrepancies in measurements of its expansion. This ...