What caused the world’s largest dinosaur graveyard?
Thousands of dinosaurs, including the cow-sized, horned Centrosaurs, used to roam the coastal lowlands of Alberta 77 million years ago. But scientists think a massive event killed them all, resulting in a 2.4 square km bonebed. According to senior research scientist David Eberth, a paleontologist and geologist at the Royal Tyrrell Museum in Alberta, that…
