Astronomers pinpointed the source of the signal to a low mass star, but it can't generate that much energy on its own.

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 ...

Scientists with the HESS Observatory have identified the most energetic cosmic electrons ever observed. What could this mean ...

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

The DESI collaboration's latest research supports the standard model of gravity and hints at evolving dark energy, based on a ...

High-energy particles, known as cosmic rays, provide a window into some of the most extreme environments in the universe.

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

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

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

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

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