It's easy to spot snails and slugs when they're large, but finding one snail is a sign that you need to start looking around and find the smaller snails or slugs that are sure to be nearby. Snails and ...

Partula snails all but vanished from Polynesia after the arrival of a carnivorous foreign snail. But a global alliance of zoos has worked to bring them back. By Franz Lidz In Patricia Highsmith’s ...

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EDITOR’S NOTE: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet initiative has ...