Tyrannosaurus rex evolved in North America, but its direct ancestor came from Asia, crossing a land bridge connecting the continents more than 70 million years ago, according to a new study.

On the right, the end Cretaceous Northern Hemisphere fauna dominated by Tyrannosaurids (such as Tyrannosaurus rex), hadrosaurs and ceratopsian ornithischian dinosaurs. The environment also became ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The direct ancestor ...

Tyrannosaurus rex evolved in North America, but its direct ancestor came from Asia, crossing a land bridge connecting the continents more than 70 million years ago, according to a new study led by ...

An illustration of dinosaurs during the late Cretaceous, including T. rex, who is now thought to have evolved in North America and not Asia. (Image credit: ROGER HARRIS/SPL/Getty Images) The ...

Rex, the group called Tyrannosaurus Rex would understandably ... replacing Deep Purple’s Machine Head. Bolan’s early creative outpourings had been completely embraced by his new audience.