The five main string-theory candidates may all just be pieces of a larger, cohesive whole — and M-theory could bring them together.

String theory is perhaps the most high-profile candidate for what physicists call a theory of everything – a single ...

String theory has long been presented as physicists' best candidate for describing the fundamental nature of the Universe. Yet, at the beginning of the 21st century, it became apparent that most ...

But recently, a team of theorists has invoked the powers of so-called string theory to solve some fundamental riddles of the early universe.

String theory, one of the most complex theories in the scientific community, may also be the "Theory of Everything" — a framework that explains everything in the universe. While still ...