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 ...

A mysterious egg led researchers to discover a new species of shark, according to a recent scientific paper. Two other identical egg cases were recently found in the Australian National Fish ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The arrival of a ...

A Louisiana aquarium welcomed a new baby shark to its facilities earlier this month, but staff are unsure of exactly where it ...