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A fossil trove in China provides a rare window into a mass extinction event that happened more than 500 million years ago

When considering mass extinctions, people often think of the asteroid strike that wiped out all non-avian dinosaurs. But life ...
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How Many Mass Extinctions Have There Been On Earth?

Earth has a long and dramatic history, and one recurring theme is extinction. Did you know that over the last 500 million years, our planet experienced five major mass extinction events? These events ...