Because hammerhead sharks give birth to live young, studying their embryonic development is much more complicated than ...

Sharks have teeth that are kind of on a conveyor belt ... There is, though, one species of shark, the bonnethead, that's been seen feeding on seagrass and is vegetarian. How fast can a shark ...

Despite what you may think, not all sharks are bloodthirsty killing machines. Some, like the bonnethead shark, prefer to munch on seagrass. It's the first shark to receive the official designation ...

Then the mother gives birth to live young, and these babies are self-sufficient with teeth and jaws, ready to survive on their own ... was able to document the entire set of developmental stages using ...