Tyrannosaurus rex Scavenged Duck-Billed Dinosaurs in Ancient Wyoming, Bite Marks Reveal
Thousands of fossilized bones from a Cretaceous-period bonebed in Wyoming, the United States, offer rare physical evidence that…
Giant Tyrannosaur Fossil Found in New Mexico
A large tyrannosaurid dinosaur may have stalked the floodplains of what is now New Mexico nearly 74 million…
Ancient Bite Marks Suggest Tyrannosaurs Were Not Just Hunters
New research led by Aarhus University paleontologists overturns the image of tyrannosaurs as pure apex predators. An analysis…
Tyrannosaurus rex Took Nearly Four Decades to Grow Up, New Research Shows
A comprehensive analysis of 17 fossil specimens reveals that Tyrannosaurus rex grew far more slowly than previously thought…
Nanotyrannus Represents Distinct Species of Tyrannosaurid Dinosaur, New Research Confirms
Nanotyrannus lancensis — long thought by many to be a teenage Tyrannosaurus rex — was in fact a…
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.…