A new study suggests T. rex teeth may have been covered by their lips. In these reconstructions included in the study, scientists show what the T. rex head might have looked like with lips ...

Dinosaurs, often depicted as unstoppable creatures of immense strength, were far from immune to the diseases that affect modern animals — including cancer. A groundbreaking new study has ...

The new research is not the first time scientists have suggested dinosaurs had lips. Paleontologists and artists have long debated the facial structure of theropods.

The Tyrannosaurus rex, considered the most ferocious dinosaur to ever roam Earth, wasn’t always flashing those giant, bone-crunching teeth. Turns out, the T. rex had lips — or at least ...

The results reveal how so many herbivores were able to coexist. Not only did they survive by eating different levels of the ...

Fossil remains of this particular sauropod indicate that it replaced each of its 500 teeth every two weeks allowing it to endlessly feast on the lush green meadows.