The evolution of the shark is not what most people would expect. Instead of sharks evolving from a massive predator, the original creature was a small, leaf-shaped fish. This fish lacked eyes and fins ...

Each shark has its own unique way of life. Here is what to know about a shark's bodily makeup, as well as other surprising facts about the fish.

Instead of bone, shark skeletons are made up of cartilage – the same soft tissue that’s found in our nose and ears.As humans, we typically have 206 bones in our bodies (babies have almost 100 ...

Sharks don’t have bones. Their skeletons are made of cartilage - the same soft, flexible stuff as your ears and the tip of your nose are made of. This is true for all sharks, from the formidable great ...

Recently discovered bones of a basilosaurus in Mississippi offer insight into its life and what happened after its death.

Shark Skeletons Are Not Made From Bone At All. Shark skeletons are made from cartilage, not bone. ©Jsegalexplore / Shutterstock.com. Sharks are one of the oldest species of animals still alive today.

Shark Skeletons Are Not Made From Bone At All. Shark skeletons are made from cartilage, not bone. ©Jsegalexplore / Shutterstock.com. Sharks are one of the oldest species of animals still alive today.