After more than a year of repairs, the Large Hadron Collider located at the CERN laboratory near Geneva, Switzerland is back on track to create high-energy particle collisions that may yield extraordinary insights into the nature of the physical universe.

The Higgs boson, the last undiscovered fundamental particle of the Standard Model and the one that accounts for the masses of all the others, is still in hiding. But new results from Fermilab mean the race to find it is getting closer.