An ancient dinosaur nursery - the oldest nesting site ever found - has been unearthed in an excavation at a site in South Africa. The 190-million-year-old nesting site of the prosauropod dinosaur Massospondylus reveals significant clues about the evolution of complex reproductive behaviour in early dinosaurs. It discover clutches of eggs, many with embryos, as well as tiny dinosaur footprints, providing the oldest known evidence that the hatchlings remained at the nesting site long enough to at least double in size. “This research project, which has been ongoing since 2005 continues to produce groundbreaking results and excavations continue. First it...