The Higgs boson exists. Its discovery was announced in July 2012 by physicists at the Large Hadron Collider (LHC). The Higgs boson is a subatomic particle that is thought to be responsible for the mass of all other particles.

This is supported by a large body of experimental evidence. The Higgs boson was predicted by the Standard Model of particle physics, and its existence was confirmed by experiments at the LHC, the world's largest and most powerful particle accelerator. The discovery of the Higgs boson was a major scientific breakthrough, and it has helped to deepen our understanding of the universe.