Imagine a world where forests stretched endlessly, and strange, powerful beasts prowled the land—creatures so fierce and ...

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

“So those are showing that those animals actually were there ... The national monument holds a rich paleontological record from the Eocene Epoch — part of the age of mammals — which lasted ...

“So those are showing that those animals actually were there ... The national monument holds a rich paleontological record from the Eocene Epoch — part of the age of mammals — which lasted ...