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

For decades, a small tyrannosaur skull has divided paleontologists over whether it belonged to a separate species or a ...

For decades, paleontologists argued over the lone skull used to establish the distinct species Nanotyrannus. Was it truly a separate species or simply a juvenile Tyrannosaurus rex? A new paper ...

New research has overturned decades of uncertainty by showing that Nanotyrannus was a fully grown predator, not a juvenile T. rex.

WASHINGTON, Dec 4 (Reuters) - Paleontologists for decades debated whether meat-eating dinosaur Nanotyrannus was actually just a juvenile Tyrannosaurus. But within a span of five weeks, the matter ...

This week's cover of the international scientific journal 'Nature' features two small dinosaurs facing a giant Tyrannosaurus ...

For decades, paleontologists have debated whether Nanotyrannuslancensis, a “dwarf” species of tyrannosaur that lived contemporaneously with Tyrannosaurus rex, was merely an adolescent version of the T ...

New studies have settled a paleontological debate. Nanotyrannus is now confirmed as a separate species. It lived alongside ...