Researchers found evidence that the joints evolved as the species became active predators with jaws and mobile skeletons.

While the common ancestor of vertebrates with synovial joints is still a mystery, the oldest specimen with evidence of these ...

Explores the anatomy and functions of human joints, categorizing them into three main types: fibrous, cartilaginous, and synovial. It details the characteristics and subtypes of each joint type ...

The researchers also studied fossils of extinct fishes dating back almost 400 million years and saw evidence that some of the oldest jawed fishes had bones with joint cavities for articulated ...

A new study from the University of Chicago has uncovered the surprising origin of the flexible joints that allow us to move ...