Simulations calculated Tyrannosaurus speed from the motion of its swaying tail, finding that the massive dinosaur was a mighty slow walker.

A new study suggests that ancestors of the Tyrannosaurus rex migrated from Asia to North America 70 million years ago. Here's ...

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

Somewhere in a lab, a Tyrannosaurus rex is being brought back to life—not as a living, breathing beast, but as a handbag ...

Being better able to tolerate cooler temperatures than their rivals, tyrannosaurs grew larger to become the apex predators of ...

Researchers trace T. rex origins to Asia and megaraptors to Gondwana. Climate changes and predator extinction fueled their ...

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

T. rex was previously suspected to have evolved in Asia and migrated to North America, but new research shows that the direct ...

A new research shows that the Tyrannosaurus rex’s direct ancestor migrated from Asia over 70 million years ago. Even though ...

A new study suggests that the T. Rex's ancestors may have evolved in North America, contradicting the mainstream evolutionary ...

A group of researchers and bio-engineers in the U.K. say they’re working to produce high-end clutches and totes with T.

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.