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 ...

It all started with a claw. While scouring Argentina’s La Colonia Formation for new dinosaur fossils, paleontologists noticed the single toe bone sticking out of the ancient rock. When they dug ...

What did Tyrannosaurus rex eat ... carnivore around at the time capable of creating such damage. Not that the dinosaur solely munched on the remains of its own kind. Thanks to a fossil trail ...