The Large Hadron Collider is shutting down for 2 years

Scientists will use the break in operations to beef up the accelerator’s energy

Large Hadron Collider

MAKING IMPROVEMENTS  Physicists are shutting down the Large Hadron Collider to perform upgrades on the accelerator and its detectors, including the CMS detector (shown).

Max Brice/CERN

The world’s most powerful particle accelerator has gone quiet.