1. Introducing sharks, skates, rays, and chimaeras -- What are sharks and how are they classified -- How many kinds of sharks are there -- How did sharks get their name -- Where do shards live -- When ...

A long-term study in Fiji shows they form preferred social relationships, avoid certain individuals, and change how social ...

Maybe you've seen a "mermaid's purse" while walking on the beach. Not actually an accessory for the mythical creature, these small casings are the eggs of sharks and their relatives. For around 455 ...

Add Yahoo as a preferred source to see more of our stories on Google. A great hammerhead shark's two eyes can be 3 feet apart on opposite sides of its skull. Ken Kiefer 2/Image Source via Getty Images ...

You may think that since sharks have noses, they use them for breathing. However, unlike mammals, they use them only to smell, not to breathe. Sharks are fish, so they do not have lungs, either. So ...

Catching one of the Pacific Northwest’s top predators takes time, a little luck and big chunks of meat. Oregon State University shark researcher Jess Schulte grabs a fishing hook about as big as her ...