Tyrannosaurus rex was one of the most ferocious ... Improved technologies, such as biomechanical modeling and x-ray imaging, have allowed scientists to gain a deeper understanding of how this ...

Steve discovers just how big Predator X was, the most powerful marine reptile ever discovered. Its skull alone was nearly twice the size of a Tyrannosaurus Rex's, and its bite force unmatched by ...

Tyrannosaurus rex was a fearsome creature ... It would eventually become the ultimate apex predator of the Late Cretaceous period. But the tyrannosaurs that preceded it weren’t always at ...

rex ancestor. Named Ulughbegasaurus, this creature reigned as the apex predator long before the legendary Tyrannosaurus rex. The dinosaur, which lived between 80 to 90 million years ago ...