You can find them in most Lowcountry gift shops — those sun-bleached, disc-like “shells” of sand dollars, popular as decorations and souvenirs. Each cookie-shaped, calcium carbonate skeleton once ...

Pristine white sand dollars have long been the souvenir to commemorate a successful day at the beach. But most people who pick them up don’t realize that they’ve collected the skeleton of an animal, ...

New work on echinoids -- marine animals like sea urchins and sand dollars -- gives scientists a reason to rethink a classical pattern of evolution. Fossil-based studies have traditionally indicated ...

The Oregon Coast offers beachgoers activities like hunting for glass floats, sightseeing, sand raking and collecting sand dollars. While finding a whole sand dollar can be rare, there is a rocky beach ...