Turtle shells evolved over the course of 300 million years, but self-defense wasn't the initial driver, researchers think.

This article was originally featured on The Conversation. Wander through your backyard or walk along a stream and it’s likely you’ll see a snail – small, squishy animals with shells on their backs.

Don’t worry, animal lovers. All the birds, gators, alpacas and other critters at The Shell Factory have found new forever homes. The North Fort Myers tourist attraction — which ran for 86 years before ...

You’re in good company if you’ve combed the shoreline for shells, marveled at the glinting, microscopic pieces that make up the sand, or held a snail shell up to your ear listening for the ocean or ...