Wildlife photographer Lucas Cottereau shared astonishing photos and footage of an American alligator with a severely deformed face — completely missing its upper jaw. Instagram users reacted ...

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

Her mandible, or lower jaw, was severely deviated to the right while her maxilla, or upper jaw, had collapsed. She was despondent. “I couldn’t eat well, I couldn’t bite well, I couldn’t ...

Example of a high-speed video, showing lateral jaw rotation in an acanthurid, Acanthurus chirurgus. Credit: Proceedings of the National Academy of Sciences (2025). DOI: 10.1073/pnas.2418982122 ...

This means they can powerfully bite down on prey of all sizes. Their upper and lower jaw muscles are divided by a tendon that pulls the muscle fibers straight and perpendicular to the jaw as the ...

According to the report, authorities found multiple jaw fragments, with intact teeth, what appeared to be a femur bone, possible ribs and the possible fragment of a skull. Sheriff's officials ...

The Collier County Sheriff's Office responded to the scene and found multiple bones, including jaw fragments, a femur, possible ribs, and a skull fragment. The bones appeared to have been buried ...

The researchers found that surgeonfish also can move their upper jaw sideways, allowing them to bite food off a surface. "They take a mouthful of algae and move their jaws to pull it off the ...

The Habsburgs, once a powerful Royal dynasty ruling vast Spanish and Austrian empires, are now infamous for the pronounced "Habsburg jaw", a stark facial deformity. One study suggests that this ...

A team of 10 facial researchers scrutinised 11 characteristics of the chin feature known as mandibular prognathism, along with seven features of maxillary deficiency (a small upper jaw ...