Using a decade’s worth of data from the H.E.S.S. telescopes in Namibia, they’ve observed a sharp kink in the energy spectrum ...

The most powerful cosmic-ray electrons and positrons ever detected slamming into Earth's atmosphere carry energies so high ...

New research reports the most powerful cosmic rays ever detected. Because the rays lose energy as they travel through space, ...

Scientists have a problem with cosmic rays—they produce too many muons at the Earth's surface. Cascades of muons are ...

In a groundbreaking discovery, scientists have detected the most energetic cosmic rays ever observed, and they are coming ...

The most powerful cosmic-ray electrons and positrons ever detected slamming into Earth's atmosphere carry energies so high they can only have come from relatively close by, new research has revealed.

Scientists have recently identified electrons and positrons with the highest energies ever recorded on Earth. They provide evidence of cosmic processes emitting colossal amounts of energy, the origins ...

The most energetic cosmic rays are accelerated in extremely energetic events, like around supermassive black holes. But those ...

Scientists have detected the most energetic cosmic rays ever discovered, and they're being produced by mysterious sources relatively close to Earth. The rays — which consist of electrons and ...

Scientists at the HESS observatory in Namibia have found the most energetic cosmic rays ever detected, reaching up to 40 ...