Footprints of armored dinosaurs with tail clubs have been identified, following discoveries made in the Canadian Rockies. The 100-million-year-old fossilized footprints were found at sites at both ...

Researchers say the "exciting" finds are the first known examples of this species' footprints anywhere in the world ...

The dinosaur definitely had a fast and potentially dangerous swing, but its tail vertebrae were not well-suited to the stresses of potential impacts. Miragaia likely swung its tail to drive off ...

The track site, which also includes some dinosaur tail-drag marks, is located in Coyote Buttes North area along the Arizona-Utah border. Disclaimer: AAAS and EurekAlert! are not responsible for ...