Experiments have found compelling evidence for a new two-baryon state

The official story is demonstrably wrong, says CERN theorist Álvaro de Rújula

The LHCb collaboration today published an unambiguous observation of an exotic particle that cannot be classified within the traditional quark model

Fifty years ago, two physicists independently proposed the existence of the subatomic particles known as quarks

Forty years ago quarks gained their freedom – at least theoretically – and the modern theory of the strong interaction began to emerge