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 ...
Modern science reveals dinosaurs were more intelligent than previously thought, with Troodon formosus standing out as an ...
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How Many Mass Extinctions Have There Been On Earth?
Earth has a long and dramatic history, and one recurring theme is extinction. Did you know that over the last 500 million years, our planet experienced five major mass extinction events? These events ...
New findings indicate dinosaurs were flourishing just before the asteroid strike. Fossils from New Mexico show diverse and healthy dinosaur populations. This evidence supports the theory that the ...
Scientists have long debated whether dinosaurs were in decline before an asteroid smacked the Earth 66 million years ago, causing mass extinction. New research suggests dinosaur populations were still ...
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