Fewer T. rex walked the Earth than previous estimated, new study

New research claims that the T. rex population was much lower than scientists previously estimated, claiming 1.7 billion roamed our planet.

New research paper theorizes that Tyrannosaurus rex was built for slow walking

In All of Time, 2.5 Billion Tyrannosaurus Rexes Have Roamed Earth, Smart News

Running not an option for Tyrannosaurus rex

Dinosaur Bone Study Reveals That Not All Giants Grew Alike

Dinosaur research: 'Tyrannosaurus rex' walked at same speed as humans, new study shows, U.S.

Study Suggests T. Rex 70% Larger Than Previously Thought

That's a lot of teeth': 2.5 billion T rex walked the earth, researchers find, Dinosaurs

Billions of T. rexes walked on North America during the Age of the Dinosaurs

Fewer T. rex walked the Earth than previous estimated, new study claims

No Evidence T. rex Hatchlings Had Feathers

Billions' of Tyrannosaurus rexes said to have walked the Earth in all of history - National

Reaper of death,' newfound cousin of T. rex, discovered in Canada

Splitting T. Rex Into 3 Species Becomes a Dinosaur Royal Rumble - The New York Times