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 ...

Archaeologists working in northeastern Spain say a cache of conch shells was not just decorative debris from ancient shorelines but a set of carefully modified instruments that once filled Neolithic ...

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 ...