Tiny cosmic rays are constantly zipping through the universe, bombarding Earth with a torrent of extreme radiation. Our planet’s magnetosphere shields us from their dangers, but their origins remain a mystery. The immense power of rays like the "Oh My God" particle suggests mighty cosmic accelerators, such as supernovae and black holes, may be responsible. Yet, others are curiously detected from the voids of empty space. Understanding these volatile voyagers is crucial as we venture further into space.
