If Tyrannosaurus rex is too mainstream, discerning 10-year-olds may now have a new name to spout when asked their favorite dinosaur – Tyrannosaurus mcraeensis. The newly identified species appears to ...

A formerly unknown relative of the most iconic of all dinosaurs, Tyrannosaurus rex, has been newly identified, according to a study released Thursday. The revelation adds a new clue that could help ...

An argument over whether fossils from several small dinosaurs represent a juvenile Tyrannosaurus rex or smaller adults of a separate species may finally be settled. When you purchase through links on ...

A fossilized partial dinosaur skull originally thought to be from a Tyrannosaurus rex might actually represent a previously unknown species, according to a paper published Thursday in the journal ...

The partial skull of a dinosaur found 40 years ago has now been identified as a new species of Tyrannosaurus, and perhaps the closest relative of Tyrannosaurus rex. The research adds a new twist to a ...