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 ...

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 ...

NEW YORK (AP) — 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 ...

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 ...

A new specimen of one of the most controversial species of dinosaur has the potential to overturn decades of research on the T rex. Known as the duelling dinosaurs, this fossil preserves an ...

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 ...