Stories about: T. Rex  

Fossilized remains show these ancient beasts ate each other

Study explains what made T. rex a top predator

This explains why they were vigorous, fast-growing creatures

The digital reconstruction reveals the beast's anatomy

The fairly quirky research project is documented in a new National Geographic Channel documentary, “T. Rex Autopsy”

Chilesaurus diegosuarezi roamed the Earth about 145 million years ago during the Late Jurassic, ate nothing but plants

The ancient creature had an impressive humpback, an oddly big belly, and no teeth whatsoever, paleontologists say

The beast's remains were found by paleontologists excavating a site in Argentina

This dinosaur species walked the Earth over 66 million years ago, specialists say

The dino spent months planning the trip, was furious that it had to cancel it

The lizards could grow to measure 49 feet (15 meters) in length, were top predators

The animals fought and killed each other, paleontologists say

New evidence proves the ancient predator used to hunt for live prey

Study documents the feeding behavior of dinosaur species that lived 150 million years ago

Researchers say that the creature was most likely related to T. Rex