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

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

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

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 ...

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

Discovery leads to revised tyrannosaur family tree, shedding light on T. rex's ancestry.

Khankhuuluu mongoliensis lived roughly 86 million years ago and was an immediate precursor to the dinosaur lineage called ...

The largest-known T. rex specimen is 40-1/2 feet long (12.3 meters). Khankhuuluu means "Dragon Prince" in the Mongolian language. Tyrannosaurus rex means "tyrant king of the lizards." "In the name ...

Those bones belong to a new species, now named Khankhuuluu mongoliensis, or “Prince of Dragons.” This slim, fast-moving ...