Scientists have long puzzled over the origins of a mysterious dinosaur excavated in the 1940s: Was it a young T. rex or another type of dinosaur? At first, researchers had only a tyrannosaur skull to ...

A dinosaur fossil thought to be a juvenile Tyrannosaurus rex is in fact a fully grown carnivore of a different species, according to researchers who believe they have finally settled a long-running ...

It's extremely rare to find a complete skeleton of a dinosaur. It's rarer still that such a skeleton needs to be found twice. Such is the fate of "Stan" the T. rex, a massive, mostly complete skeleton ...

"We've named a new species," Lindsay Zanno, head of paleontology at the NC Museum of Natural Sciences, told a crowd on Thursday. Scientists at the NC Museum of Natural Sciences have found that what ...

New evidence has been discovered to resolve a case of a mysterious dinosaur excavated in the 1940s that has long puzzled scientists. The mysterious small skull excavated in the 1940s was thought to be ...

New research confirms that Nanotyrannus was not a juvenile T. rex, but a predatory species native to the Late Cretaceous ...

*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. Much of what we know about Tyrannosaurus rex, the largest and fiercest dinosaur of them all, we know from the skeleton of a ...

A famous and expensive T. rex fossil has turned up after vanishing 2 years ago. It’s extremely rare to find a complete skeleton of a dinosaur. It’s rarer still that such a skeleton needs to be found ...