A new study, published in the journal Physical Review Letters, suggests that some of the highest-energy cosmic rays could ...

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

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

A century after their discovery, cosmic rays—particles of extreme energy originating from the far reaches of the ...

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 ...

A long-standing cosmic mystery is beginning to yield new clues as researchers uncover a strikingly consistent pattern in the ...

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 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 ...

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 ...

Earth is under constant bombardment by cosmic rays, showers of high-energy particles that blast our planet from all directions at near light speed. While this might sound like the precursor to a ...