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 ...

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.

Oceanographer Anya Stajner was recently enjoying a sunset walk along the La Jolla Shores beach when a vibrant violet pop of color caught her eye in the sand. She got down on her hands and knees and ...

Along parts of the Western Australian coast, large shells sometimes lie half buried in tidal mud. They belong to Syrinx aruanus, known as the Australian trumpet and regarded as the largest living sea ...

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

One hundred thousand years ago, a human cousin walked a rock- ribbed beach along the Mediterranean Sea, her head lowered and her large eyes scanning the shoreline. Now and again she stopped, bent her ...