Reconstructing the anatomy of prehistoric sharks isn't easy. With few exceptions - an exquisitely-preserved body fossil here, some calcified bits of skeleton there - teeth make up the majority of the ...

Tyrannosaurus rex dinosaurs chomped through bone by keeping a joint in their lower jaw steady like an alligator, rather than flexible like a snake, according to a study being presented at the American ...

Researchers report that the jaw joint bone, the center around which chewing activity revolves (literally), appears to have evolved based more on an animal's size than what it eats. Chewing: We don't ...

The human skull has many components. In fact, in an average adult human, the skull combines 22 bones. One of these bones is the mandible, more commonly known as the lower jaw. Recognized as one of the ...

Tyrannosaurus rex dinosaurs chomped through bone by keeping a joint in their lower jaw steady like an alligator, rather than flexible like a snake, according to a study being presented at the American ...