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 ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. After spotting a beautiful shell, Beckylee Rawls didn't think twice ...

Over the past two decades, the Gulf of Maine has become a popular landing spot for invasive species from across the world, says Geoffrey Trussell, an evolutionary biologist and professor at ...

In hydrothermal vent fields, a small snail evolved an iron-reinforced shell. Here’s how it challenges assumptions about nature’s toughest composites. A snail might seem an unlikely contender for the ...

Cuban-painted snails come in a variety of beautifully colored shells. The snail's shell diameter averages about 22 to 30 millimeters (.87 to 1.18 inches). Each snail's shell has a unique combination ...