Scientists in Utah have identified a rare cosmic ray that could've come from beyond the Milky Way. It has been named the "Amaterasu particle" after the Japanese sun goddess. A Telescope Array ...

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 ...

There are plenty of mysteries in the cosmos, and researchers from the University of Utah have found a new clue in one from more than 30 years ago. In 1991, scientists detected a cosmic ray so powerful ...

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 ...