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 ...

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

Tyrannosaurus rex is objectively the most famous prehistoric animal known to science - popular amongst researchers, paleontology enthusiasts, children, and the media alike. What makes this dinosaur so ...

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

Fossils of the T. rex, tyrant lizard and queen of the dinosaurs, are found exclusively in North America. Strangely, they have ...

New study adds to contentious debate about when, where, and how the massive dinosaur evolved.

Tyrannosaurus rex evolved in North America, specifically in Laramidia, the western half of the continent.

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

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

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

The project centers on reconstructing T. rex collagen sequences from fossilized remains. By analyzing preserved protein ...