Officials said oreodonts are the most common fossil animals in the Badlands. They are described as being herbivores, with ...

Named Plesionectes longicollum, which translates to “long-necked near-swimmer,” the animal is part of the plesiosauroids, a ...

One of the most exciting breakthroughs in paleontology was the discovery of a feathered dinosaur tail preserved in amber. This Cretaceous period fossil, similar to the rare 80-million-year-old ...