'North America's Oldest Dinosaur' Discovered, Challenging Dino Origin Story
Paleontologists have announced the discovery of "North America's oldest dinosaur." The find challenges the consensus view on the origins of these extinct reptiles. In a study published in the ...
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Oldest North American dinosaur fossil discovered, dates back 230 million years
This small, chicken-sized dinosaur lived around 230 million years ago. Interestingly, this pushes back the timeline for ...
Dinosaurs may have roamed the northern hemisphere millions of years earlier than previously thought
How and when did dinosaurs first emerge and spread across the planet more than 200 million years ago? That question has for ...