Energy Levels Beyond Imagination With an energy exceeding 240 exa-electron volts (EeV), the Amaterasu particle dwarfs the capabilities of human-made accelerators like the Large Hadron Collider. To ...

Scientists at CERN's ALICE detector are replicating conditions found during the Big Bang, attempting to get to the bottom of ...

In tackling the excess problem, the team wrote that ... is the initial collision in air showers—when the high-energy cosmic ray particle first interacts with a nucleus in the atmosphere.