Researchers have detected an extremely energetic cosmic ray from an unknown source in the universe. The detection of a cosmic ray with such high energy is "exceedingly rare" and the latest discovery, ...

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 ...

How much light has been emitted by all galaxies since the cosmos began? After all, almost every photon (particle of light) from ultraviolet to far infrared wavelengths ever radiated by all galaxies ...

The study of cosmic rays, high-energy particles originating from extraterrestrial sources, has significantly progressed with the advent of both ground-based and space-borne detection techniques.

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 ...

A peculiar gamma-ray glow from the heart of the Milky Way has left astronomers scratching their heads. This strange emission, ...

UTAH (CNN/CNN Newsource/WKRC) - Scientists have detected the second most-powerful cosmic ray from beyond the Milky Way. Named the "Amaterasu Particle" after the sun goddess in Japanese mythology, the ...

The sprawling Auger Cosmic Ray Observatory in South America has produced its first major discovery while still under construction. The international Auger collaboration has traced the rain of ...

Been there in the probation office when an acquaintance got arrested for exactly that. And, presumably, divorced -- he'd just gotten out the week prior from a lid, so there's no way the pregnancy had ...

Researchers know cosmic rays originate from the multitude of stars in the Milky Way and other galaxies. The difficulty is tracing the particles to specific sources, because the turbulence of ...