Snails have shells the moment they're born, but it's kind of hard to tell. In fact, it's hard to even see a baby snail. Some are nearly microscopic, such as Angustopila psammion, whose adult-sized ...

Spectacularly colored shells make these critically endangered Cuban snails highly sought after, but some are working to save them. A collection of Cuban painted snails (Polymita picta) adds vibrant ...