Scientists are seeking answers to a new outer space mystery after a telescope in Utah detected the most powerful cosmic ray seen in more than three decades, according to the authors of new research ...

Artist’s illustration of the extremely energetic cosmic ray observed by a surface detector array of the Telescope Array experiment, named “Amaterasu particle.” In 1991, the University of Utah Fly’s ...

At times, the sun ejects energetic material into space, which can have consequences for space-based and even ground-based ...

Cosmic rays (CR) constitute high-energy particles that mainly originate outside our solar system. These primary CR interact with interstellar matter to produce secondary CR. The secondary nature of ...