Sea butterflies flit through the ocean on gossamer wings, each species with a style of its own. These tiny marine snails, or thecosomes, migrate up to surface waters at night to feed and sink to ...

A pet snail in West Sussex once stunned record keepers with a 27.3cm shell, yet ocean species grow far larger. So which snail truly claims the crown for size?

Along parts of the Western Australian coast, large shells sometimes lie half buried in tidal mud. They belong to Syrinx ...

Shells of worm snails, also known as vermetids, from a Waialua beach. Some people call these mollusks tube snails, but since the reef also hosts abundant species of tube worms, this name is confusing.

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 ...

A tiny new snail species discovered in Thailand has been named after legendary artist Pablo Picasso, due to the strange, complex geometric patterns seen on its shell. The species, measuring only 3 ...