The study, led by the University of Liverpool, analyzed a fossilized hip bone from an Edmontosaurus using ... appear to be present in some fossils,” Steve Taylor, corresponding author of ...

The well-preserved fossil that was once a dinosaur's butt bone (sacrum) was excavated from South Dakota's Hell Creek Formation in 2019. It belongs to a species of Edmontosaurus, one of the last ...

Palaeontologist Sarah Gabbott explains what’s so unusual about her discovery, which she named as part of the process of ...