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...
Filikomys primaevus, a new genus and species of multituberculate mammal that lived during the Late Cretaceous epoch, has been identified from multi-individual...
A new species of alvarezsaurid dinosaur that lived approximately 66 million years ago (Cretaceous period) has been unearthed in the Hell Creek Formation...
In the 1980s, paleontologists found a dinosaur nesting ground with dozens of nestlings in northern Montana and identified them as Hypacrosaurus stebingeri,...
Paleontologists have unveiled a remarkable new species of tyrannosaurine dinosaur from the Late Cretaceous epoch — a cousin of the fearsome predator...
