The Earth's atmosphere has been blasted by the second strongest ultrahigh-energy cosmic ray (UHECR) to ever be observed. While its exact origins remain unknown, astrophysicists are pointing the finger ...

The surface detector array of the Telescope Array experiment, deployed by helicopter. Credit: Institute For Cosmic Ray Research, University Of Tokyo Around 30 years ago, scientists in Utah were ...

The Telescope Array has detected the second-highest-energy cosmic ray ever observed, marking a significant milestone in astrophysics. This groundbreaking discovery follows the famed Oh-My-God particle ...

CNN — (CNN) — Space scientists seeking to understand the enigmatic origins of powerful cosmic rays have detected an extremely rare, ultra-high-energy particle that they believe traveled to Earth from ...