ICRR  
   Institute for Cosmic Ray Research, University of Tokyo.
   http://www.icrr.u-tokyo.ac.jp/

Athens Neutron Monitor  
   Observing cosmic ray neutrons. Background information, explanation of worldwide monitor network, detector description, publications, links.
   http://cosray.phys.uoa.gr/

The Chicago Air Shower Array (CASA)  
   An experiment to detect energetic cosmic rays and gamma-rays. The goal was to measure the location, arrival direction, and energy of incoming cosmic rays and gamma-rays with energies above 10^14 eV, and to apply this information to investigate the origi
   http://hep.uchicago.edu/~covault/casa.html

ICRC 1999  
   26th International Cosmic Ray Conference in Salt Lake City, Utah, August 17-25, 1999.
   http://www.icrc1999.utah.edu/

ICRC 1997  
   25th International Cosmic Ray Conference in Durban, South Africa, July 28 - August 8 1997.
   http://www.puk.ac.za/fskdocs/icrc97/

ICRC 1995  
   24th International Cosmic Ray Conference in Rome, Italy, August 28 - September 8, 1995.
   http://www.roma1.infn.it/ICRC95/icrc95.html

Pierre Auger Cosmic Ray Observatory  
   Aims to observe the highest-energy cosmic rays.
   http://www.auger.org/

High Resolution Fly's Eye Experiment (HiRes)  
   Large air fluorescence cosmic ray detector.
   http://www.cosmic-ray.org/

Sources of Highest Energy Cosmic Rays  
   Increased estimates of extragalactic magnetic fields may explain why possible HE CR sources, like AGN M87, do not align with observed CR directions.
   http://focus.aps.org/v5/st16.html

WIZARD Experiments  
   Space-borne experiments like PAMELA, SilEye, NINA and balloons. Downloadable results, articles and pictures.
   http://wizard.roma2.infn.it/

HiRes  
   High Resolution Fly's Eye Cosmic Ray Detector.
   http://www.physics.adelaide.edu.au/astrophysics/HiRes.html

CHICOS - California HIgh school Cosmic ray ObServatory  
   An active research array for the detection of ultra-high energy cosmic rays. The events CHICOS is designed to observe are single subatomic particles slamming into the Earth's atmosphere with the energy of a brick falling from a rooftop. It is a coll
   http://www.chicos.caltech.edu/

Homebrew Cosmic Ray Muon Detector  
   Schematics and diagrams for the Geiger-Mueller detectors and electronics. Information on cosmic rays, variations and other forms of detection such as scintillation.
   http://www.cosmicrays.org/

STACEE  
   Solar Tower Atmospheric Cherenkov Effect Experiment.
   http://www.astro.ucla.edu/~stacee/