A newfound "chicken-size" dinosaur, recently unearthed in Wyoming, changes what paleontologists thought they knew about how ...

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

Paleontologists have announced the discovery of "North America's oldest dinosaur." The find challenges the consensus view on ...

Fossils described in a new study speak to a previously unknown large-bodied lizard diversity that existed alongside dinosaurs ...

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

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

Uncover the fascinating Tyrannosaur story with the discovery of Khankhuuluu, a key link in dinosaur evolution.

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

A groundbreaking fossil discovery in Mongolia has revealed Khankhuuluu Mongoliensis, an 86-million-year-old dinosaur ...

A newly discovered, raccoon-sized armored monstersaurian from the Grand Staircase-Escalante National Monument in Southern ...

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