Recently, scientists have discovered mysterious antimatter raining down from the sky! The puzzling phenomenon was first observed in 2008, when data from the Advanced Thin Ionization Calorimeter (ATIC) experiment revealed an unexpected surplus of positrons in the cosmic ray flux. This excess has been confirmed by subsequent studies, and scientists are now trying to uncover the source of the antimatter. While there are many potential explanations, the most likely culprit is a nearby source of dark matter, such as a pulsar or black hole. Stay tuned for more news on this mysterious antimatter rain!

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source: Phys.org