But T. rex was also the last of its meat-tearing family. The earliest tyrannosaurs evolved about 166 million years ago. In ...

A new species of tyrannosaur has been discovered that could change everything we thought we knew about the evolution of the iconic Tyrannosaurus rex. Paleontologists have unveiled Khankhuuluu ...

The new mid-size tyrannosaur, which lived about 86 million years ago, has been named Khankhuuluu mongoliensis – a name that translates to "Dragon Prince of Mongolia" in honor of where it was found.

Apex predators, like the Tyrannosaurus rex, eventually arose from smaller-bodied tyrannosauroid dinosaurs called Khankhuuluu ...

Paleontologists have identified a new species of dinosaur, Khankhuuluu, which is being described as the closest-known ancestor to the giant Tyrannosaurs.