Smithsonian Magazine on MSN
The Dinosaurs of North America Were Thriving Up Until an Asteroid Wiped Them Off the Face of the Earth, Scientists Argue
A new study of dinosaur biodiversity challenges the belief that the megafauna were on their way out 66 million years ago ...
Around 66 million years ago, the reign of the dinosaurs came to a fiery end. An asteroid about 7 miles (12 kilometers) wide, ...
Scientists have long debated whether dinosaurs were in decline before an asteroid smacked the Earth 66 million years ago, ...
Newly dated fossils from New Mexico challenge the idea that dinosaurs were in decline—and suggest instead they had formed ...
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Dinosaurs were thriving in North America before the mass-extinction asteroid strike, study suggests
New research suggests that dinosaur populations were thriving in North America before the asteroid impact 66 million years ...
About 66 million years ago, an asteroid slammed into what is now Mexico, forming the Chicxulub crater. This impact wiped out ...
One thing that northwestern New Mexico is known for is lots of dinosaur fossils. Previously, paleontologists estimated that ...
The asteroid collision that killed the dinosaurs 65 million years ago may have been a major cosmic crack-up, but it was nothing compared to a bigger impact that occurred roughly four billion years ...
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