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

Biotech scientists are trying to develop high-end accessories such as purses made from lab-grown leather meant to replicate T. rex skin.

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

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

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

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

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 ...

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

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

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.

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