this dinosaur lived about 86 million years ago, preceding T. rex by approximately 20 million years. Khankhuuluu was roughly ...

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

The dinosaur's identity was unknown — until now. In a study published Wednesday in Nature, scientists describe the identification of a new tyrannosauroid named Khankhuuluu mongoliensis. Apex predators ...