A seaside snail crawling along the gooey streak left by another snail is saving a lot of energy, say researchers, because it doesn’t have to ooze so much slime itself. “It’s much, much more expensive ...

Periwinkles, the spiral-shelled snails commonly found along rocky U.S. shorelines, play a primary role in the unprecedented disappearance of salt marsh in the southeastern states, according to new ...

The oddball minority of animals that don’t lay eggs includes a tough little snail called a rough periwinkle. Unlike mammals giving birth to kittens and fawns and helpless little humans, this ...