The CMS collaboration at CERN has observed an unexpected feature in data produced by the Large Hadron Collider (LHC), which ...

Then we discovered the nucleus, and its constituents: protons and neutrons. As we looked deeper and deeper into these particles, we found that they are made up of tinier particles called up and down ...

In the past, this approach resulted in the prediction of the charm quark, and a heavy top quark, well before colliders could produce these particles directly. The observation of CP violation led to ...