Was Mars just like Earth billions of years ago? A new study is making a very compelling case that our Martian neighbor may ...

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

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

A research team at European XFEL and DESY has achieved a major advance in X-ray science by generating unprecedented ...

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