New evidence raises questions about when dinosaurs evolved in North America
Tuesday, August 12, 2014 - 06:00
in Paleontology & Archaeology
The Jurassic and Cretaceous periods were the golden age of dinosaurs, during which the prehistoric giants roamed the Earth for nearly 135 million years. Paleontologists have unearthed numerous fossils from these periods, suggesting that dinosaurs were abundant throughout the world. But where and when dinosaurs first came into existence has been difficult to ascertain.