A giant crocodile that lived during the age of the dinosaurs was as fearsome as the T-rex.
A staggering bite force equivalent to 7,800 pounds definitely added to the Tyrannosaurus Rex’s menacing image.
Scientists don't know why some dinosaurs have fewer forelimbs, but the new species proved it was part of evolution.
How bad was the bite of a T. rex? Researchers have taken a closer look at the jaws of a T. rex and have found that the feeding style and dietary preferences of dinosaurs was closely linked to how wide they could open their jaws.