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

The dinosaur skeletons, found hidden in a museum collection in Mongolia, is an ancestor of the mighty tyrannosaurs.

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

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

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 ...

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

Then you look closer and notice the detail: how the ribs are built at different lengths to create a rib "cage," how the dark-colored bricks create the illusion of shadow and throw the light ...

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

Our city — the one of “Big Shoulders” — has always sought out the massive. Chicago has been home to the tallest building (when it was known as Sears Tower), the largest convention center ...

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