Cosmic-Ray Concentrations Highest in Half a Century

According to experts at the American space agency, the concentration of cosmic-ray radiation around us has increased considerably this year, reaching its highest level in more than 50 years of observations. The level of cosmic rays has been under constant surveillance since the advent of the ... [ read more >> ]

The heliosphere partially protects the solar system from incoming cosmic rays

Image comment: The heliosphere partially protects the solar system from incoming cosmic rays
Image credits: Richard Mewaldt / Caltech

The heliosphere partially protects the solar system from incoming cosmic rays