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 ...

The great pond snail is helping scientists make great leaps in their understanding of asymmetries in the animal kingdom. Paul Starosta/Corbis Whether it flies, walks or swims, nearly any given animal ...

With a shell that looks like a full moon, egg cases that look like broken pottery on the seafloor, a unique predatory style and even a feature comparable belly button, the moon snail that frequents La ...