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 ...

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

A genetic spin doctor sets snail shells to swirl clockwise, new research confirms. And the twist in this story comes at the beginning — when snail embryos are just single cells. Working at the Tokyo ...

All mollusks build their own shells, whether they live in water or on land. Creatures like snails, clams, oysters and mussels use an organ called a mantle to secrete layers of calcium carbonate, which ...

Oct. 15 (UPI) --Rising acidity levels in the world's oceans are disrupting the shell-making abilities of the marine gastropods. According to a new study, the shells of triton shell sea snails are ...

It was huge. Its light brown shell stood taller than the tip of my shoe. Its yellowish-green body stretched about an inch ...