Ultrahigh-energy cosmic rays are the most energetic and rarest of particles in the universe – and also one of the most enigmatic. Benjamin Skuse reveals how cosmic-ray mysteries are continuing to test ...

Particles smaller than an atom hurtle through the universe nearly at the speed of light, blasted into space from something, somewhere, in the cosmos. A scientific collaboration of the Pierre Auger ...

High energy astrophysics probes the most energetic phenomena in the Universe, from explosive supernova remnants to the powerful outflows near compact objects. A central focus of this field is the ...

Final results from the University of Utah's High Resolution Fly's Eye cosmic ray observatory show that the most energetic particles in the universe rarely reach Earth at full strength because they ...

Ultrahigh-energy cosmic rays twist and turn on their way to Earth, which has made it nearly impossible to identify the colossal monsters that create them. In the 1930s, the French physicist Pierre ...

All products featured on Wired are independently selected by our editors. However, we may receive compensation from retailers and/or from purchases of products through these links. In the 1930s, the ...

This may seem like the cry of a panicking news reporter in a lurid sci-fi tale, but it’s actually a scientific fact — albeit a slightly hyperbolic one. Mysterious cosmic rays traveling at speeds ...

Active galactic nuclei are the most likely candidate for the source of the highest-energy cosmic rays that hit Earth. Astronomers found that the sources of the highest-energy particles are not ...

Proof that ultra-high-energy cosmic rays come from outside the Milky Way has been published by astrophysicists working on the Pierre Auger Observatory in Argentina. Their measurement has a statistical ...

Cosmic rays. Artwork of high-energy particles and radiation from a star in deep space (cosmic rays) impacting molecules and atoms in the Earths atmosphere. These primary impacts cause a secondary ...

One of the great mysteries in science is determining not only what's out there, but what creates the signals we detect here on Earth. For over a century, we've known that zipping through the Universe ...