Symmetry is a feature of many plants, animals and even some molecules — like water. But that’s not the case with snails and their coiled shells. They are chiral — asymmetrical in such a way that they ...

The snail’s shell diameter averages about 22 to 30 millimeters (.87 to 1.18 inches). Each snail’s shell has a unique combination of stripes and colors, so no two are exactly alike. These snails eat ...

Evolution doesn’t have to operate at a snail’s pace, even for snails. In experiments designed to simulate the evolutionary transition that produced slugs, researchers exposed baby snails to the metal ...

Bold snails are built to be tough. A close look at bold snails’ shells reveals that they are rounder, thicker and more bite-resistant than shy snails’ shells. This finding, published online April 22 ...

Over the past two decades, the Gulf of Maine has become a popular landing spot for invasive species from across the world, ...

Most snails are righties. Now scientists have found genes that make some of them born with shells coiling the other way. By JoAnna Klein The overwhelming majority of snails live in shells that coil to ...