A mysterious "runner" dinosaur, only about the size of a dog, scurried around the ancient floodplains of what is now Colorado around 150 million years ago, a new study finds. The two-legged herbivore, ...

Rainbow country : an introduction to Morrison Formation geology -- Vertebrates and the Jurassic world -- The Morrison vertebrates come to light -- The picture fills in -- Fins, scales, and wings : the ...

Our collective fascination with dinosaurs, research into their behaviors and their storied past, and our excitement whenever a new discovery is made is certainly palpable. While it is currently ...

The tooth-marked bones of giant, plant-eating dinosaurs have provided a fascinating glimpse into the prehistoric feeding habits of large carnivores living in North America around 150 million years ago ...

New research sheds light on the dining habits of ancient carnivorous dinosaurs from Jurassic rocks of the USA. A recent study explores the bite marks left on the ancient bones of the giant long-necked ...

Beneath an unassuming hill on the sweeping property where Bennett and Jessica Bramson live lays a mystery 150 million years old. The deeper they dig into the hillside, the deeper the mystery grows.

DENVER — A new dinosaur species unearthed from the famed Morrison Formation in Colorado has been identified, according to a journal article published last week in Royal Society Open Science.

MORRISON • The rock is more than 100 million years old. But to Ken Carmody, it never gets old. He’s a well-traveled man, a retired Navy submarine officer and teacher whose New York accent gallops as ...