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dinosaur, North America and asteroid

Fossils reveal dinosaurs were thriving in North America just before being wiped out by asteroid strike, study shows

Scientists have long debated whether dinosaurs were in decline before an asteroid smacked the Earth 66 million years ago, causing mass extinction.

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Fossils of Some of the Last Dinosaurs in North America Have a Story to Tell

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Dinosaurs thriving in North America before mass-extinction asteroid strike: Study

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New species of dome-headed dinosaur discovered in Montana

A new species of dome-headed dinosaur has been discovered in fossils found in Montana, according to researchers.

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New species of dinosaur that lived 75 million years ago found in this US landmark

A new species of dome-headed dinosaur has been discovered in fossils found in Montana, according to researchers. The dinosaur ...

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