Scientists from the Telescope Array Collaboration have detected an ultrahigh-energy cosmic ray, a discovery that’s challenging our current understanding of exotic cosmic phenomena and their origins.

An extremely energetic cosmic ray – an extragalactic particle with an energy exceeding ~240 exa-electron volts (EeV) – has been detected by the Telescope Array experiment’s surface detector, ...

Cosmic ray air showers are produced when high-energy cosmic particles enter Earth’s atmosphere and interact with atmospheric nuclei, generating cascades of secondary particles. These extensive air ...

Researchers recently detected an "ultra-high-energy" cosmic ray, which is the most powerful since the famous "Oh My God" particle was detected in 1991. They have no idea where it came from. When you ...

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Osaka, Japan – A high-energy particle falls from space to the Earth’s surface—it is not clear where it came from or even what it is, exactly. This may sound like something out of science fiction, but ...

Scientists are seeking answers to a new outer space mystery after a telescope in Utah detected the most powerful cosmic ray seen in more than three decades, according to the authors of new research ...

For decades, a sharp kink in the energy spectrum of particles raining down from space has taunted astrophysicists, hinting at ...

In a significant breakthrough, scientists have unraveled the mystery of cosmic rays, linking the ‘knee’ formation in their ...

The energy of this subatomic particle, invisible to the naked eye, is equivalent to dropping a brick on your toe from waist height, according to the authors of new research published Thursday in the ...