Earth’s 5 catastrophic mass extinctions, explained
Our planet’s first known mass extinction happened about 440 million years ago. Species diversity on Earth had been increasing ...
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Are We Entering the Sixth Mass Extinction?
The world around us is constantly changing, and with these changes come questions that challenge our understanding of life on ...
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Massive star explosions may have triggered two mass extinctions in Earth's past: 'It would be terrifying.'
a series of mass extinction events that occurred 372 million years ago, and the Ordovician, which occurred 445 million years ...
Mammals were adapting from life in the trees to living on the ground before dinosaur-killing asteroid, research reveals
More mammals were living on the ground several million years before the mass extinction event that wiped out the dinosaurs, ...
Ancient “Life Oasis” in China Survived Earth’s Deadliest Mass Extinction
Fossils from China’s Turpan-Hami Basin reveal it was a rare land refuge during the end-Permian extinction, with fast ...
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Supernovas may have had a role in two of Earth’s largest mass extinctions, study suggests
resulting in a chain of events that could cause a mass extinction.During the Devonian geological era, life thrived on land for the first time, but early land plants and animals making the ...