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 ...

Sharks have a branding problem. For many people, the word alone conjures images of horror: sleek predators stalking through ...

Sharktober is real in Hawaii — and it's down to the reproductive pattern of predatory tiger sharks, an analysis of 30 years ...

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 ...