Most marine animals form their shells from calcium carbonate, which is a tough mineral also found in limestone. Some sponges and microorganisms use another compound silica. There is also a group of ...

Discover the many types of objects you may find in the sand — and where they come from Warning: This graphic requires JavaScript. Please enable JavaScript for the ...

Named the best shelling spot in North America by Travel + Leisure magazine, Sanibel Island—located near Fort Myers on the Gulf of Mexico—is a true haven for seashell-spotting enthusiasts. “It turns ...

Most of us have picked up a shell or two that caught our eye while strolling the beach, and many of us might even have a ...