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 ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Until recently, the main threat to the lives ...

Once abundant in California, the white abalone had all but vanished. Now, thanks to an innovative breeding program, it’s staged a remarkable comeback ...

Beachgoers in San Diego may have spotted some glistening, purple shells reminiscent of small gemstones in the sand recently.

While many people picture small garden snails, some species grow to astonishing sizes and can weigh several pounds. One of ...

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 ...