T. rex teeth — possibly up to six inches long — were thought by many to be too big not to protrude. In recent years, paleontologists have debunked other stereotypical portrayals of the dinosaur. Some ...

Whether carnivorous dinosaurs had lips has long been the stuff of paleo-debate. A new study finds evidence that flesh covered the predators’ teeth. Tyrannosaurus rex and other carnivorous dinosaurs ...

Paleontologists have suggested that thin, lizard-like lips concealed the gigantic teeth of T. rex and other predatory dinosaurs, but not all experts are convinced. When you purchase through links on ...