Anewly discovered mammal fossil may give clues to how bones in the middle ear evolved from jaw bones, according to a study published in Science yesterday (December 5). The malleus, incus, and ...

As mammals evolved, these bones shifted location and function, becoming essential for transmitting sound vibrations from the ...

(Bottom) Mammals. The schematic on the left shows the eardrum forming between the first pharyngeal pouch and the ear canal. It is connected to the hammer bone (blue), which along with the anvil ...

The teeth of horses and zebras look alike. The ear bones of mammals were once the jaws of prehistoric reptiles. And so on. Despite these differences, all mammals share four traits that are shown ...

Imagine standing on a muddy riverbank 50 million years ago and seeing a strange creature lumbering by—part crocodile, part ...

"Modern mammals' bones migrated backward to become the small bones of the middle ear. That's why mammals hear so much better than reptiles." The separation of the jaw and the ear bones allowed the ...

Therapsids, the ancient relatives of mammals, once roamed Earth in great numbers during the middle to late Permian period.

The Justice Department said Lauren DeLoach, 69, would instruct suppliers to label shipments as "plastic" to avoid seizure ...

"The illicit trade in sperm whale teeth and ear bones contributes to the monetization of at-risk marine mammal populations that America protects through federal laws and international treaties ...