The Large Hadron Collider is entering a rare quiet spell, with its proton collisions halted so engineers can prepare the machine for a more powerful future. The shutdown is not a sign of trouble so ...

At CERN’s Large Hadron Collider on the edge of Geneva, scientists have reported a surprising twist in the behavior of matter.

The Large Hadron Collider (LHC)--the world's largest, most ambitious atom smasher--hardly needs to be oversold. But even before construction ceased on the $10 billion, 17-mile-long, underground ...