Nanotyrannus and Tyrannosaurus both were members of a lineage of meat-eating dinosaurs called tyrannosaurs, but were not the ...

Think of it less as Jurassic Kingdom and more Game of Bones. Not everyone’s convinced. Thomas Carr, a Teen Rex loyalist, ...

The debate over Nanotyrannus’ identity is finally over. A remarkably preserved fossil proves it was a mature species, not a teenage T. rex. This discovery rewrites how scientists understand ...

A new specimen of one of the most controversial species of dinosaur has the potential to overturn decades of research on the ...

Once thought to be a baby T. rex, was a separate, agile species that redefines the predator hierarchy of the late Cretaceous.

There are literally decades of research... based on a premise that this article overturns,” said one paleontologist.

Scientists have long debated whether a mysterious dinosaur excavated in the 1940s was a young T. rex or a distinct species.

Scientists at the NC Museum of Natural Sciences have found that what was believed to be a juvenile T.rex skeleton is instead ...

An argument over whether fossils from several small dinosaurs represent a juvenile Tyrannosaurus rex or smaller adults of a ...

How did these different dinosaur species interact? Did they hunt different prey? What did T. rex adolescence really look like ...

The new species is called Nanotyrannus. Compared to the well known tyrannosaurus rex, a nanotyrannus was more speedy and ...

A new look at the "Dueling Dinosaurs" fossil reveals that Tyrannosaurus rex was not the only tyrannosaur roaming the land.