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 ...

Long before horses thundered across the plains, a plant-eating giant with hooves of its own left footprints in the mud. Newly described fossils of Edmontosaurus annectens—a duck-billed dinosaur that ...

Paul C. Sereno is President of the Scitopia Foundation, a 501c3 organization dedicated to science education in out-of-school time, with operations and a founding facility in planning in Chicago ...