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 ...

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

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American A snail’s shell is both mobile home and ...