Tyrannosaurus Rex


Paleontologists Identify the World's Largest Tyrannosaurus Rex

"Scotty" weighed about 20,000 pounds and lived longer than any other known tyrannosaur, according to University of Alberta paleontologists.


We Asked a Dinosaur Expert How Realistic the New 'Jurassic World' Really Is

Apparently, the T. rex wasn't always in such a terrible mood.