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, ...

Cartilaginous fish form the same style of joint that we do, while jawless fish don't. Cartilaginous fish form the same style ...

Nearly one-third of sharks are threatened with extinction, mostly due to fishing. While mandated releases are helpful, researchers discovered that they aren't enough to stabilize shark populations.

Megalodon may have been up to 80 feet long, but the colossal extinct shark was also probably thinner than scientists ...

Researchers urge stronger protections like fishing limits and habitat conservation to prevent further decline in shark ...

As the recreational fishery chips away at shark populations outside the boundaries of scientists’ data books — and as a new ...

With his magnificent underwater images, Gerardo del Villar wants to rehabilitate the reputation of the ocean’s great ...

Intra-articular synovial hemangioma of the knee is a relatively rare benign tumor that if left undiagnosed and treated may be ...