According to scientists who maintain that dinosaur extinction came quickly, the impact must have spelled the cataclysmic end. For months, scientists conclude, dense clouds of dust blocked the sun ...

A Stegosaurus specimen that became the most expensive dinosaur fossil ever sold earlier this year is now on display at the American Museum of Natural History in New York City. But it is not the ...

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Nisswa is like that cool cousin who went backpacking through Europe and came back with a beret and an inexplicable accent.

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