A reexamination of fossils found in Mongolia has revealed a previously unknown “missing link” species that led to dinosaurs ...

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

A new species of dinosaur that was probably a princely ancestor of T. rex, the king of the dinosaurs, has been identified ...

rex bones has shed new light on the evolutionary link between dinosaurs and birds. Researchers compared organic molecules preserved ... incredibly well-preserved Tyrannosaurus rex fossils. The ...

"We can compare those geometries to see how they ... among the remains of their extinct non-avian cousins, such as Tyrannosaurus rex? Roger Harris/SPL/Getty Images Would Tyrannosaurus rex have ...

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

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

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

A newly discovered dinosaur, pegged as T.rex's 'tiny cousin', has led to scientists reconsidering the creature's history.

A University of Calgary doctoral student made a chance discovery that could shed new light on the lineage of the famous ...