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 ...
The Cool Down on MSN
Scientists discover stunning prehistoric event still impacting us today: 'Has several implications'
New research unexpectedly identified the North American ice sheets, not the Antarctic ones, as the main cause of a prehistoric event of sea-level surge.
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