Astronomers say a nearby supernova may have blasted Earth with high-energy muons some 2.6 million years ago, potentially causing the mass extinction that killed off the Megalodon (a shark up to 20 times as heavy as the Great White) and increased the cancer rate in human-sized animals by about 50%.

Fazal 1:39 PM reddit: the front page of the internet

Astronomers say a nearby supernova may have blasted Earth with high-energy muons some 2.6 million years ago, potentially causing the mass extinction that killed off the Megalodon (a shark up to 20 times as heavy as the Great White) and increased the cancer rate in human-sized animals by about 50%.

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