Small, Chicken-Like Dinosaur May Have Had a Jaw Built for Fruit
Fossils from Montana show a small oviraptorosaur with a jaw that slid front to back, a feature shared…
Tyrannosaurus rex Had Mammal-Like Body Temperature, Study Finds
A new analysis of Tyrannosaurus rex teeth indicates the ancient predator maintained a body temperature of about 36.3 degrees…
Exceptionally Preserved Bird Feathers Found in 66-Million-Year-Old Dinosaur Coprolite
Paleontologists in Montana have discovered remarkably preserved feathers of an ancient aquatic bird inside a fossilized dinosaur dropping,…
Paleontologists Discover First-Ever Adult Tyrannosaurus rex Trackway
Paleontologists in North Dakota have unearthed a set of 66.5-million-year-old fossilized footprints that can be confidently attributed to…
Mosasaurs Could Inhabit Freshwater Environments, New Fossil Discovery Suggests
Paleontologists have unearthed a 66-million-year-old mosasaurine tooth in the Hell Creek Formation in North Dakota, the United States.…
Nanotyrannus is Distinct Dinosaur Lineage, New Research Shows
Paleontologists have examined an exceptionally well-preserved, near somatically mature tyrannosaur skeleton from the Hell Creek Formation of Montana.…