An Ancient Supernova Caused a Mass Extinction on Earth, Scientists Believe

If the theory is confirmed with further work, it would show that stars that died hundreds of millions of years ago may have taken some Earthlings to the grave with them, forever altering the course of life on our world.”

Becky Ferreira | AUG 20 2020 | 9:00 AM

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https://www.vice.com/en_us/article/qj4mjp/an-ancient-supernova-caused-a-mass-extinction-on-earth-scientists-believe