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 ...

Astrophysicists have detected the most energetic electrons ever recorded raining down on Earth. With trillions of times the ...

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

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

Using a network of telescopes in Namibia, a team of scientists has detected electrons with remarkably high energy. Although ...

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

An international team of scientists has recorded the most powerful cosmic rays in the history of observations. The mysterious ...

They are affected by magnetic fields throughout the Universe and arrive at Earth from all directions. These particles also ...

The High Energy Stereoscopic System is a ground-based gamma-ray telescope in the highlands of Namibia and sensitive in the ...

Scientists from the CNRS, a consortium of German universities, and the Max-Planck-Institut für Kernphysik working at the ...

Japanese researchers developed a model to simulate early Earth's atmosphere, revealing how UV radiation and hydrocarbons ...

A new study reveals a massive solar storm occurred in 664 B.C., with potential cataclysmic effects on today's technology if ...