Scientists are on the trail of a mysterious five-particle structure that could challenge one of the biggest theories in physics: string theory. This rare particle—never seen before and predicted not ...

String theory began over 50 years ago as a way to understand the strong nuclear force. Since then, it’s grown to become a theory of everything, capable of explaining the nature of every particle, ...

String theory is one of the most ambitious ideas in modern physics, aiming to unite all forces of nature into one framework. But its complexity and abstract concepts leave even experts divided. In ...