Add Yahoo as a preferred source to see more of our stories on Google. First, let’s talk about the difference between bone and cartilage. They both are materials that can make up a skeleton, but they ...

Our understanding of shark evolution may need to be rethought following the discovery of a 410-million-year-old ancestor of this group of fish. Sharks are cartilaginous fish, meaning their skeletons ...

Cartilaginous fish have changed much more in the course of their evolutionary history than previously believed. Evidence for this thesis has been provided by new fossils of a ray-like shark, ...

What do we have in common with fish, besides being vertebrates? The types of joints we (and most vertebrates) share most likely originated from the same common ancestor. But it’s not a feature that we ...

The efficient architecture of our joints, which allows our skeletons to be flexible and sturdy, originated among our most ancient jawed fish ancestors, according to a new study. The efficient ...

Skates are cartilaginous fish that can flourish in benthic ecosystems thanks to their wing-like pectoral fins. This unique trait, however, remains unknown on a molecular level. Where did these ...

First, let’s talk about the difference between bone and cartilage. They both are materials that can make up a skeleton, but they are quite different. Bone doesn’t bend. It is very strong, but it’s ...