Pioneering techniques used in this research may soon be applied to other dinosaur fossils and alter the course of ...

A new analysis of fossils believed to be juveniles of T. rex now shows they were adults of a small tyrannosaur, with narrower jaws, longer legs, and bigger arms than T. rex. The species, Nanotyrannus ...

A remarkably complete tyrannosaur specimen, unearthed in the middle of Montana, USA, may finally settle one of the most contentious debates in paleontology and upend our understanding of Tyrannosaurus ...