Altogether, the pieces reveal a slender tyrannosaur that roamed Cretaceous Mongolia about 86 million years ago and was about ...

Learn more about a newly discovered dinosaur species that is now the closest-known ancestor to the Tyrannosaurs.

A newly identified mid-sized dinosaur from Mongolia dubbed the "Dragon Prince" has been identified as a pivotal forerunner of ...

In the badlands of southeastern Mongolia, two dusty skeletons sat largely forgotten for fifty years. Dug up in the early ...

Two partial skeletons housed in a Mongolia museum were reexamined by researchers and found to represent a previously unknown ...

Misidentified bones that languished in the drawers of a Mongolian institute for 50 years belong to a new species of ...

Scientists announced the discovery of a new species of early tyrannosaur in a museum vault in Mongolia, an ancestor to ...

Apex predators, like the Tyrannosaurus rex, eventually arose from smaller-bodied tyrannosauroid dinosaurs called Khankhuuluu mongoliensis, the study's researchers said.

The fossils are 86-million-years old and have given scientists new information about tyrannosaurs evolved. Jared Voris, a PhD ...

Scientists have discovered a new species of tyrannosauroid—the group of dinosaurs that includes Tyrannosaurus rex. The ...

Long before Tyrannosaurus rex stalked the planet, a Dragon Prince reigned supreme. Paleontologists have discovered a new ...

Paleontologists have discovered a new species of dinosaur that belongs to the same group of the infamous Tyrannosaurus rex.