Once a blip on the racquet-spec radar, string pattern has become an increasingly important—and complicated—consideration. Here are a few things you should know about strings before your next racquet ...

Tennis players now can change their game without changing their racquet thanks to an innovative grommet system introduced by HEAD. The Graphene XT Speed Rev Pro racquet ($199.95) features a new ...

String theory—the idea that particles are not point-like, but instead one-dimensional strings—is a popular theoretical framework that attempts to combine general relativity and quantum field theory ...

The most celebrated theory in modern physics faces increasing attacks from skeptics who fear it has lured a generation of researchers down an intellectual dead end. In its original, simplified form, ...

String theory is an attempt to unite the two pillars of 20th century physics — quantum mechanics and Albert Einstein's theory of relativity — with an overarching framework that can explain all of ...