Peter Higgs, physicist who proposed the existence of the 'God particle,' dies at 94

FILE - Britain's Professor Peter Higgs smiles during a press conference in Edinburgh, Scotland, on Oct. 11, 2013. The University of Edinburgh says Nobel prize-winning physicist Peter Higgs, who proposed the existence of the Higgs boson particle, has died at 94.

Nobel prize-winning physicist Peter Higgs, who proposed the existence of the so-called "God particle" that helped explain how matter formed after the Big Bang, has died at age 94, the University of Edinburgh said Tuesday.