Paleontologists for decades debated whether meat-eating dinosaur Nanotyrannus was actually just a juvenile Tyrannosaurus.

For more than sixty years, one battered skull has stirred a fight that would not fade. The fossil, stored in Ohio, carried a ...

New research on the holotype skull further moves a decades-long scientific debate toward a conclusion — the Nanotyrannus, a teacup variation of the T. rex, did exist.

New study confirms Nanotyrannus holotype was diminutive, distinct species from T. rexNew research from a team including the University of Nebraska ...

The Tyrannosaurus rex ("T-Rex") is perhaps the most well-known dinosaur species. Its formidable stature, sharp teeth, and hunger for meat have made it a favorite dinosaur to depict in stories, movies, ...