For more than three decades, paleontologists have argued over whether a lithe predatory dinosaur called Nanotyrannus ever ...

Paleontologists have long debated whether small tyrannosaurs were their own species or simply teenage T. rexes. This debate ...

At the twilight of the age of dinosaurs, an agile and vicious predator named Nanotyrannus prowled western North America, ...

For decades, paleontologists debated whether fossils were of a young T. rex or a species called nanotyrannus. A new study ...

Fossil known as Nanotyrannus was full-grown predator that lived alongside Tyrannosaurus rex, study finds - Anadolu Ajansı ...

"The fossil, part of the legendary 'Dueling Dinosaurs' specimen unearthed in Montana, contains two dinosaurs locked in ...

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 ...