The dinosaur that made them is said to be between five and six metres long, spiky and armoured with a stiff tail or full club. The species has been named Ruopodosaurus clava.

Fossilized footprints and tracks dating back 50 million years ago discovered at the John Day Fossil Beds National Monument ...

It’s easy to forget that time can stand still…at least for some remarkable creatures and plants. Imagine walking through an ...