ICRR - Institute for Cosmic Ray Research, University of Tokyo. Pierre Auger Cosmic Ray Observatory - Aims to observe the highest-energy cosmic rays. Athens Neutron Monitor - Observing cosmic ray neutrons. Background information, explanation of worldwide monitor network, detector description, publications, links. High Resolution Fly's Eye Experiment (HiRes) - Large air fluorescence cosmic ray detector. WIZARD Experiments - Space-borne experiments like PAMELA, SilEye, NINA and balloons. Downloadable results, articles and pictures. Cosmic Ray Puzzle Solved - Increased estimates of extragalactic magnetic fields may explain why possible HE CR sources, like AGN M87, do not align with observed CR directions. Nuclei Cooperate to Produce Single Particle - Ultrahigh energy photons striking matter can transform into rho mesons through an interaction that involves many nuclei simultaneously, a phenomenon that may affect the detection signatures of high-energy particles from space.