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

By Mindy Weisberger 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 …