String theory has its supporters and its gainsayers among theoretical physicists. Even advocates admit that the theory could be entirely wrong (though naturally they don't think it is).

String theory proclaims otherwise. According to string theory, if we could examine these particles with even greater precision—a precision many orders of magnitude beyond our present ...

Theoretical physicist Michio Kaku explains why he thinks string theory is the best way to understand how the universe works. In a first-of-its-kind case, a man in the US has been charged with ...

String theory suggests that the most fundamental building blocks of the universe are not particles like electrons or quarks, ...

String theory is perhaps the most high-profile candidate for what physicists call a theory of everything – a single mathematical framework capable of describing the entirety of the known universe.