The discovery of a small dinosaur has ended one of paleontology’s longest-running debates, revealing that Nanotyrannus was not just a teenage T. rex – but a distinct species within the Tyrannosaur ...

Add Yahoo as a preferred source to see more of our stories on Google. For years, the "dueling dinosaurs" in a North Carolina museum were believed to be a Triceratops and Tyrannosaurus rex. However, an ...

Researchers now identify the "dueling dinosaur" tyrannosaur as an adult Nanotyrannus, not T. rex. "This fossil...flips decades of T. rex research on its head," says Lindsay Zanno. Study reveals ...