Paleontologists have long considered Tyrannosaurus rex a North American reptile, but a study now claims that the king of the ...

(CNN) — The direct ancestor of Tyrannosaurus rex would have arrived in North America ... and how and why they grew so large by the end of the age of dinosaurs.” “They likely grew to such ...

Unfortunately, the lack of fossil evidence leaves paleontologists wondering just how strong this mammal’s bite was and how it compares to the much larger Tyrannosaurus Rex, which lived ... game known ...

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.

Tyrannosaurus rex evolved in North America, but its direct ancestor came from Asia, crossing a land bridge connecting the ...

The next time you go shopping for a new purse, your choices could go beyond traditional materials such as leather, nylon, cotton and polyester to include … Tyrannosaurus rex skin? Yes ...

Tyrannosaurus rex may be the most famous dinosaur to ever roam the Earth, but these days, it’s at the center of a very modern problem: the luxury fossil trade. According to a study published in ...

At a site known as Natural Trap Cave, a team of scientists are rappelling down to uncover the secrets of what the Earth was ...

On the right, the end Cretaceous Northern Hemisphere fauna dominated by Tyrannosaurids (such as Tyrannosaurus ... At the end of the age of the dinosaurs, T. rex weighed up to nine tonnes (about ...

New UCL-led study finds T-Rex evolved in North America from Asian ancestors and grew massive as the climate cooled after the Cretaceous Thermal Maximum.