It's hard to tell when you're catching some rays at the beach, but light packs a punch. Not only does a beam of light carry ...

Five telescopes of the H.E.S.S.-collaboration in Namibia are used to study cosmic radiation, especially gamma radiation. With ...

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 ...

"Understanding these cosmic rays allows us to unveil big particle accelerators in the universe that are often associated with ...

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

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

MIT physicists have taken a key step toward solving the puzzle of what leads electrons to split into fractions of themselves.

The H.E.S.S. Observatory in Namibia records the most energetic cosmic ray electrons, revealing nearby accelerators.

In the most extensive analysis to date, scientists from the H.E.S.S. collaboration have made significant progress in ...

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

A pulsar within a few thousand light-years of Earth could have accelerated electrons and positrons to the extreme energies ...

A pulsar within a few thousand light-years of Earth could have accelerated electrons and positrons to the highest energies ...