British theoretical physicist Peter Higgs (left) and Belgian theoretical physicist Francois Englert were awarded the Nobel Prize in physics on Tuesday. Fabrice Coffrini/AFP/Getty Images hide caption

itoggle caption Fabrice Coffrini/AFP/Getty Images

High-energy physics in action: an image of an event in CERN's CMS detector during the search for the Higgs boson. CERN hide caption

itoggle caption CERN

This is what researchers at the ATLAS detector at the Large Hadron Collider expect a Higgs boson to look like. The Higgs boson is the subatomic particle that scientists say gives everything in the universe mass. ATLAS Experiment/CERN hide caption

itoggle caption ATLAS Experiment/CERN

This is what researchers at the ATLAS detector at the Large Hadron Collider expect a Higgs boson to look like. The Higgs boson is the subatomic particle that scientists say gives everything in the universe mass. ATLAS Experiment/CERN hide caption

itoggle caption ATLAS Experiment/CERN

Don't panic! The end of the Universe (as we know it) isn't likely to hit us for billions of years, if it comes at all. Pictured: the Milky Way rises above the ESO's ALMA facility in Chile. José Francisco Salgado/ESO hide caption

itoggle caption José Francisco Salgado/ESO

A visualization of proton-proton collision events recorded by the Large Hadron Collider's (LHC) Compact Muon Solenoid (CMS) detector at the European Organization for Nuclear Research (CERN). Fabrice Coffrini/AFP/Getty Images hide caption

itoggle caption Fabrice Coffrini/AFP/Getty Images