The proof of the existence of parallel universes has long been hindered by the core issue of "unobservable and difficult to ...

The problem with string theory, according to some physicists, is that it makes too many universes. It predicts not one but some 10 500 versions of spacetime, each with its own laws of physics. But ...

Some physicists claim the popular landscape of universes in string theory may not exist.

The proof of the existence of parallel universes has long been hindered by the core issue of "unobservable and difficult to ...

Some physicists claim the popular landscape of universes in string theory may not exist.

Could the universe have more dimensions than we realize? (Image credit: Getty) String theory is a purported theory of everything that physicists hope will one day explain … everything.

The problem with string theory, according to some physicists, is that it makes too many universes. It predicts not one but some 10500 versions of spacetime, each with their own laws of physics. But ...

An curved arrow pointing right. CalTech theoretical physicist Sean Carroll stopped by BI to talk about string theory, parallel universes, and other exciting topics he discusses in his new book ...

String theory says we may be living in a universe where reality meets science fiction: A universe of 11 dimensions, with parallel universes right next-door. An elegant universe composed entirely ...

String theory attempts to unify all forces and particles in the universe using vibrating strings. It aims to explain the Standard Model of particle physics, which is incomplete. String theory ...