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 ...

Of the many mysterious things you can find while beachcombing, one of the most difficult to understand is (I think) the egg collar of the moon snail. These beautifully-sculpted ribbons of sand show up ...

After going nearly extinct in the 1990s, these tropical snails have made a fabulous comeback—highlighting the value of carefully planned, long-term conservation projects. Reading time 2 minutes ...