An analysis of wear on the fossilized teeth of the hadrosaurian dinosaur Maiasaura peeblesorum indicates their juveniles may have eaten softer, more nutritious...
New research led by Aarhus University paleontologists overturns the image of tyrannosaurs as pure apex predators. An analysis of 16 precisely mapped bite...
A semi-complete skull of an adult Edmontosaurus at Montana State’s Museum of the Rockies preserves a fleeting moment from the Late Cretaceous: a tyrannosaur...
Paleontologists have examined an exceptionally well-preserved, near somatically mature tyrannosaur skeleton from the Hell Creek Formation of Montana. Their...
Paleontologists have described a new genus and species of pachycephalosaurid dinosaur from five fossil specimens found in the Late Cretaceous Two Medicine...
Paleontologists have identified a new species of extinct crocodyliform from the fossilized remains of a juvenile individual found in southwest Montana,...
New research suggests dinosaurs were ecosystem engineers that promoted habitat openness in the Late Cretaceous epoch, and their extinction around 66 million...
A new genus and species of azhdarchid pterosaur being named Infernodrakon hastacollis has been discovered by a team of paleontologists from Idaho State...
Paleontologists have described three new enantiornithine birds from the Cretaceous Hell Creek Formation, two of which represent new avisaurid species....
Paleontologists have identified a new genus and species of centrosaurine dinosaur from the fossilized remains found in the Judith River Formation in the...
Paleontologists have unearthed the fossilized remains of two new small-bodied pachycephalosaurines: one in the Dinosaur Park Formation of Alberta and the...
A new genus and species of pachycephalosaurid dinosaur has been described from a partial skull found in Montana, the United States.
Life reconstruction...
Daspletosaurus wilsoni, a tyrannosaurid dinosaur that lived 76.5 million years ago in what is now Montana, the United States, displays a unique combination...
The newly-identified species of beaver, Microtheriomys articulaquaticus, represents the oldest semi-aquatic rodent in North America and the oldest amphibious...
New research confirms the existence of intraspecific fighting in Triceratops horridus, a species of horned dinosaur that lived in North America some 69...
A new genus and species of vampyropod cephalopod — named Syllipsimopodi bideni after President Joseph Biden — has been identified from an exceptionally...
The pulmonary disease infecting this diplodocine dinosaur, nicknamed ‘Dolly,’ would not been externally evident, but the probable pneumonia-like outward...
Paleontologists in the United States have discovered and analyzed the fossilized remains from two species of Purgatorius, the oldest genus in a group of...
An international team of paleontologists has examined the fossilized remains of baby tyrannosaurid dinosaurs found in Alberta, Canada, and Montana, the...
