In 1991, an experiment detected the highest-energy cosmic ray ever observed. Later dubbed the Oh-My-God particle, the cosmic ray’s energy shocked astrophysicists. Nothing in our galaxy had the power ...
For more than 60 years, physicists have chased one of the universe's most stubborn puzzles: where do the most energetic particles ever detected come from? A new study published May 7, 2026, in ...
Ever since French physicist Pierre Auger proposed in 1939 that cosmic rays must carry incredible amounts of energy, scientists have puzzled over what could be producing these powerful clusters of ...
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