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Cosmic Rays

Alpha Magnetic Spectrometer Deuterons High-Energy Physics Cosmic Ray Electrons Gamma Radiation High-Energy Particles Magnetic Turbulence Cosmic Background Radiation Ultrahigh-energy Cosmic Rays Particle Acceleration

Scientists Solve Longstanding Puzzle of Electron Acceleration in Space

Astronomers Trace High-Energy Cosmic-Ray Electrons to Nearby Sources

Physicists Discover Heaviest Antimatter Nucleus, Offering Clues to Universe's Matter Dominance

AMS Detector on ISS Uncovers Unexpected Cosmic Ray Surplus

Unexpected Gamma-Ray Signal Discovered Outside Milky Way