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 ...

As he explains for the uninitiated masses, string theory entirely holds up on its internal mathematics, but to actually test whether the outcomes it predicts are true, experimenters would need to ...

Instead of asking what string theory predicts, the authors ask what it definitively cannot create. Their answer points to a single exotic particle that could show up at the Large Hadron Collider ...