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.…