Ever since the first fossil was pulled from the sandstone formation at Hell Creek, Montana, at the turn of the last century, the Tyrannosaurus Rex has reigned supreme as the ultimate apex predator. In ...

More than half of the world's scientifically useful T. rexes are in the hands of private or commercial owners, and not accessible to scientists, according to research. Reading time 3 minutes ...

Around 70 million years ago, Earth’s largest predators were dominating continents, driven by an extraordinary evolutionary shift. Recent findings clarify why dinosaurs like Tyrannosaurus rex and ...

It's known as the "Dueling Dinosaurs" fossil: A triceratops and a tyrannosaur, skeletons entangled, locked in apparent combat right up until the moment of their mutual demise. Even in the Hell Creek ...