The results suggest that rather than stomping its big feet down flat like a human, T. rex would’ve pursued prey on its tiptoes. This mirrors the locomotion style of ostriches alive today. Not all that ...

A remarkably complete tyrannosaur specimen, unearthed in the middle of Montana, may finally settle one of the most contentious debates in paleontology and upend our understanding of Tyrannosaurus rex, ...

The new animal, based on a single fossil smuggled out of China and eventually sold to a private collector, has been named Raptorex-- which means "king raptor." It lived 125 million years ago in a lake ...

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 led by UCL ...

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 ...

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 ...

To understand why Tyrannosaurus rex ended up with such diminished limbs, we must first understand how natural selection functions. The long history of life on Earth is often viewed as a progression ...

Discover the “Dragon Prince,” a newly identified tyrannosaur ancestor from Mongolia that fills a key gap in T. rex evolution. Learn how this 86-million-year-old dinosaur reshaped our understanding of ...