A new study published in Physical Review Letters by the IceCube Collaboration reports evidence that the energy spectrum of ...

Artist’s impression of an ultra-high energy cosmic ray reaching Earth. New research suggests that some of the highest-energy cosmic rays may consist of atomic nuclei heavier than iron. The background ...

Ultrahigh energy cosmic rays may be made of nuclei heavier than iron, according to a May 2026 Penn State study in Physical ...

Scientists have detected changes in cosmic rays that could reveal the true origin of these extreme particles in the universe.

Cosmic rays are relativistic charged particles that pervade the Galaxy and beyond, carrying crucial information about violent astrophysical processes and influencing the dynamics of interstellar and ...

May monthly horoscope: See what the stars have to say about you for June 2026 ...