After decades of fierce debate, researchers say fossils once thought to be juvenile T. rex actually belong to a separate, ...
Specifically, whether or not certain fossils found in Montana belonged to a young Tyrannosaurus rex or a completely separate, ...
For decades, paleontologists debated whether fossils were of a young T. rex or a species called nanotyrannus. A new study ...
Paleontologists have long debated whether small tyrannosaurs were their own species or simply teenage T. rexes. This debate ...
By Will Dunham WASHINGTON (Reuters) -At the twilight of the age of dinosaurs, an agile and vicious predator named Nanotyrannus prowled western North America, resembling a smaller version of ...
Scientists at the NC Museum of Natural Sciences have found that what was believed to be a juvenile T.rex skeleton is instead ...
The new species is called Nanotyrannus. Compared to the well known tyrannosaurus rex, a nanotyrannus was more speedy and ...
An argument over whether fossils from several small dinosaurs represent a juvenile Tyrannosaurus rex or smaller adults of a ...