In a new paper in Science, experts from the University of Chicago describe steps that took place some 66 million years ago to transform the carcasses of a duck-billed dinosaur, Edmontosaurus annectens ...

You might not think a paleontologist looking for 66-million-year-old fossils would need to ask a rancher about his great-grandmother's job in the Wyoming badlands. But that's what Paul Sereno, a ...