Researchers created 3D models of ancient tracks in Oregon’s John Day Fossil Beds National Monument. The study revealed a ...

Bird beaks come in almost every shape and size—from the straw-like beak of a hummingbird to the slicing, knife-like beak of ...

“The tracks date back to the middle of the Cretaceous period, about 100 to 94 million years ago. No bones from ankylosaurids ...