A supernova may have triggered a mass extinction on Earth 359 million years ago – Live Science

A global extinction event around 359 million years ago may have been triggered by the death blast of a distant star, a new study suggests.
Toward the end of the Devonian period
(416 million to 358 million years ago), there was a mass extinction known as the Hangenberg Event; it wiped out armored fish called placoderms and killed off approximately 70% of Earth’s invertebrate species. But scientists have long puzzled over what caused the die-off.
Recently, preserved plant spores offered clues …

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