Current Experiments

Experiment 
CMS The Compact Muon Solenoid experiment at the LHC
COMET/PRISM The COMET (Coherent Muon-to-Electron Transition) Experiment at J-PARC
LHCb Precision measurements of CP violating decays in the B meson system at the LHC
eLISA A satellite mission to observe gravitational waves
LISA Pathfinder Demonstrating the technology required for a gravitational wave observatory in space
MICE Muon Ionisation Cooling Experiment
PAMELA Particle Accelerator for Medical Applications
SHiP Search for Hidden Particles experiment at CERN's Super Proton Synchroton
SoLid Search for a new kind of matter using reactor neutrinos
SuperNEMO Experiment to search for neutrinoless Double Beta Decay
T2K/Super-K/Hyper-K Long-baseline neutrino superbeam oscillation experiment at J-PARC
LUX/ZEPLIN Dark matter searches with liquid xenon detectors

Past Experiments

Experiment 
 ALEPH  Precision tests of the electro-weak Standard Model at LEP
 BaBar  Studying CP violation using B mesons at the PEP-II electron-positron collider
 CALICE  A high granularity calorimeter system for particle flow measurement at the ILC
   Proton anti-proton collider experiment at the Tevatron, Fermilab
 ZEUS  High energy electron or positron collisions with protons at HERA, DESY