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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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 ...
Scientists rewrite history of universe with huge breakthrough in doomsday mystery
Five 'mass extinctions' have decimated our planet since it was formed - now scientists claim the answers to two could be ...
Supernovas may have played a role in two of Earth’s largest mass extinctions, study suggests
New research suggests the violent explosions of dying stars may have caused two of Earth’s biggest mass extinctions millions ...
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Marine life became strangely uniform after Earth’s worst mass extinction
After Earth's worst mass extinction, surviving ocean animals spread worldwide. Stanford's model shows why this happened.
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Massive star explosions may have triggered two mass extinctions in Earth's past: 'It would be terrifying.'
Deaths of nearby massive stars may have played a significant role in triggering at least two mass extinction events in Earth's history, according to new research. The explosive supernova deaths of ...
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Supernovas may have had a role in two of Earth’s largest mass extinctions, study suggests
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 ...