The Morrison Formation is a hotbed of dinosaur fossils. Spanning across much of the western U.S., this layer of rock dates to the Late Jurassic, some 163.5 million to 145 million years ago. It holds ...

Getting your Trinity Audio player ready... Two scientists spent months debunking a long-standing dinosaur classification. Then, they used dinosaur bones discovered in Colorado, previously ...

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 ...

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 ...

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 ...

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.

Theropod bite marks on limb bones of CM 555, a juvenile individual of Brontosaurus parvus from Wyoming Theropod bite marks on limb bones of CM 555, a juvenile individual of Brontosaurus parvus from ...