Fossil evidence from New Mexico shows dinosaurs were still strong, diverse, and thriving before their sudden extinction 66 ...
The End-Cretaceous (K-Pg) Extinction: The Final Curtain Around 66 million years ago, Earth endured a mass extinction event that marked the end of the Cretaceous and the start of the Paleogene period.
A site in the San Juan Basin of northwestern New Mexico is providing a rare glimpse into the last days of the dinosaurs. Rocks and fossils at the Naashoibito Member site show an ecosystem that was ...
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 ...
Newly dated fossils from New Mexico challenge the idea that dinosaurs were in decline—and suggest instead they had formed flourishing communities.
Everyone knows that dinosaurs are extinct, and most people have some idea about how it might have occurred. But the exact periods in history when it happened are less well known. Was it a single ...
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