A remarkably preserved stegosaur skull is reshaping what scientists know about plated dinosaurs and their evolution across ...

The mandible is the only bone in the skull that can move and is also the strongest bone in the human face. The mandible is located in the lower jaw, directly below the maxilla (upper jaw).

This image shows the upper jaw and skull of Maiabalaena nesbittae. Whales were the first mammals to evolve baleen, and no other mammal uses any anatomical structure even remotely similar to it to ...

After 128 years of exploration and fossil excavation, researchers have finally unearthed the skull of Genyornis newtoni.

“Usually large skulls belong to baleen whales, but Klaas immediately noted enormous teeth, both on the upper and lower jaw.” They had found Livyatan. The skull is beautifully adapted to ...

In the Chondrichthyes, the skull consists of chondrocranium and upper jaw. In the Osteichthyes through mammals, the skull is a fused unit in which the braincase is added to and welded together by a ...

Doctors eventually discovered that her jaw was a mirror image of her upper jaw and was fused to her skull. The condition was life threatening without treatment. “It was very emotional ...

Several fragments belong to the skull of a 12-to-13-year-old juvenile ... But the side of the mandible that attaches to the upper jaw is thinner than those of archaic hominins and more reminiscent ...