On November 27, 2021, a detector array spread across the Utah desert recorded a single subatomic particle carrying about 244 ...
We are zeroing in on the true composition of the rarest, highest-energy cosmic rays – which could help reveal their unknown origins. Previous ultra-high-energy cosmic ray detections – by the Pierre ...
A new study published in Physical Review Letters by the IceCube Collaboration reports evidence that the energy spectrum of ...
Below the waves of the Mediterranean, Europe's KM3NeT neutrino telescope is on a cosmic hunt. Towering strings of sensors stretch a kilometer down to the seafloor, arranged in a vast 3D grid.
Scientists have detected changes in cosmic rays that could reveal the true origin of these extreme particles in the universe.
Ultrahigh energy cosmic rays may be made of nuclei heavier than iron, according to a May 2026 Penn State study in Physical ...
Francis Halzen obtained his PhD in 1969 from the University of Leuven, Belgium and is the Gregory Breit Distinguished ...
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