Our planet’s first known mass extinction happened about 440 million years ago. Species diversity on Earth had been increasing over a period of roughly 30 million years, but that would come to a halt ...
About 445 million years ago, Earth’s oceans turned into a danger zone. Glaciers spread across the supercontinent Gondwana, ...
Earth's oxygen-rich atmosphere faces a finite lifespan of about 1.08 billion years before a sharp decline, according to a ...
Tens of thousands of years ago, the first wave of a worldwide tsunami now known as the “Sixth Extinction” swept across the ...
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Scientists warn Earth is entering a sixth mass extinction
Scientists Warn Earth Is Entering a Sixth Mass Extinction ...
Violent supernovas may have caused two of Earth’s largest mass extinctions that have never been completely explained, according to a theory put forward in new research.During the final stages of a ...
East-west coastlines trap marine species during warming, blocking escape routes and increasing extinction risk over millions ...
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