Evolution has resulted in the development of both herbivores and carnivores -- but how? What type of food did extinct vertebrates eat? And how can we gain insight into the diets of these creatures? In ...

Every bite a carnivore takes leaves a microscopic signature on its teeth. Scratches, pits, and fine polish accumulate on ...

This dental undoing changed the mealtime options for this dinosaur, which lived about 160 million years ago. As a baby, L. inextricabilis was likely an omnivore or carnivore, but once it lost its ...