Cosmic rays, predominantly high-energy particles originating from outside the Solar System, interact with Earth’s atmosphere to produce a complex radiation environment. This continuous bombardment ...

Cosmic rays are particles from outer space that travel across the universe. They can be made by the sun, by other stars exploding, and even black holes. They move extremely fast, nearly the speed of ...

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Georgia State Regents’ Professor of Physics and Astronomy Xiaochun He and his students have developed a detector to measure cosmic rays and investigate how space weather can impact our changing ...

Milestone results released by the Large High Altitude Air Shower Observatory (LHAASO) on November 16 have solved a decades-old mystery about the cosmic ray energy spectrum—which shows a sharp decrease ...