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

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

And puffer fish expand a lot. Up to three times their ... and another one is they don't have any pelvis. Narrator: In other words, puffers are essentially missing bones. And that's a good thing ...

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 ...

The research sheds light on the evolutionary transition from the freely floating pelvic fins of fish to the robust, ...

laughing to myself that I had my inner fish to thank — and one thing led to another. If you look objectively at male plumbing, it so doesn't make sense. The spermatic duct loops over the pelvis ...