The Most Powerful Neutrino Ever Detected May Have a Surprising Cosmic Source

An unprecedented neutrino detection in the Mediterranean has pushed the boundaries of high-energy astrophysics, raising new questions about the most extreme processes in the universe. Three years ago, scientists detected an “ultra-energetic” cosmic neutrino in the Mediterranean Sea, the most energetic ever recorded. The discovery drew global attention from researchers, the media, and the public. [...]