A century after the discovery of cosmic rays, scientists may have identified a hidden principle governing how these particles ...

Helium nuclei, carbon nuclei, oxygen nuclei: three very different particles, all screaming through the Milky Way at nearly ...

Scientists studying mysterious ultra-powerful cosmic rays have uncovered a surprising hidden pattern that could finally help ...

High-energy cosmic rays, 10 million times more powerful than particles accelerated in Earth's strongest atom smasher, may ...

KAIPING, China (AP) — Underneath a granite hill in southern China, a massive detector is nearly complete that will sniff out the mysterious ghost particles lurking around us. The Jiangmen Underground ...

Detection by Askaryan Radio Array holds promise for future research into sources, nature of cosmic rays and neutrinos ...

The most energetic particles in the universe – ultrahigh-energy cosmic rays – likely come from supermassive black holes in the hearts of nearby active galaxies, says a study by scientists from nearly ...

There may be an ultraheavy explanation for the mystery surrounding the origins of the highest-energy particles ever observed.

Illustration of an array of ground-based detectors to characterize a cosmic ray shower. When high-energy cosmic particles strike the atmosphere, they produce a cascade of particles. By building a ...

The windy and chaotic remains surrounding recently exploded stars may be launching the fastest particles in the universe. Highly magnetic neutron stars known as pulsars whip up a fast and strong ...