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

If you know the signs to look for, it becomes clear that the Earth itself is breathing. Reto Stockli/Alan Nelson/Fritz Hasler/NASA hide caption

itoggle caption Reto Stockli/Alan Nelson/Fritz Hasler/NASA

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