Wyoming dinosaur mummies reveal new view of duck‑billed Edmontosaurus
Lead In a revisit of the site where C.H. Sternberg first unearthed an Edmontosaurus in 1908, a University of Chicago–led team led by Paul C. Sereno recovered two exquisitely preserved Edmontosaurus annectens “mummies” in east-central Wyoming. The discoveries, published in Science (2025; DOI: 10.1126/science.adw3536), preserve sub-millimeter clay masks of skin and soft tissues and provide … Read more