Learn about the particles showering down on Earth and how scientists find them at annual Arthur H. Compton Lecture series ...

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 ...

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'Until now, there has been no reliable way to simulate GCRs [galactic cosmic rays] in Europe.' ...

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 ...

NASA’s Antarctic Impulsive Transient Antenna, or ANITA, experiment flew over stretches of Antarctic ice via a balloon. - Stephanie Wissel/Penn State Sign up for CNN’s Wonder Theory science newsletter.

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 ...

Cosmic voids are different. These vast expanses contain very little matter. In such places, the vacuum of space-time itself becomes the dominant component. If you were positioned at the center of a ...

A complete survey of all the particle and antiparticle activity that goes on during the Sun’s 11-year cycle has found previously unknown ways these particles behave. Cosmic rays coming from outside ...

“Amaterasu” is the second most energetic cosmic astroparticle ever recorded (discovered in 2021 by the Telescope Array). *Current analyses show that the particle could originate from a nearby galaxy.