Dinosaurs Could Have Avoided Mass Extinction If the Killer Asteroid Had Landed Almost Anywhere Else

Matthew Wills: The decline of the dinosaurs, the rise of mammals and, ultimately, the origins of humans were even more unlikely than previously thought, according to new research. The huge asteroid collision that sparked this change in the Earth’s diversity was already a highly improbable roll of the celestial dice. But a new study suggests the mass extinction that followed it was only so severe because of where the asteroid struck.

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