The final piece of the ATLAS particle detector, located in Geneva, Switzerland, has finally been lowered into the underground CERN laboratory collision hall. This marks an important milestone in the construction of the Large Hadron Collider (LHC), which will eventually ...

Construction of another part of the Large Hadron Collider (LHC), the world’s largest particle accelerator at CERN in Switzerland, is nearing completion. The Compact Muon Solenoid (CMS) is one of the LHC project’s four large particle detectors. It will help ...