Your garbage just might be your garden’s treasure. Here’s what you need to know about using eggshells to help your plants ...

Seashells tend to appear quietly. After the tide pulls back, they are just there, mixed into the sand, sometimes whole, ...

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 ...

Land snail extinctions are accelerating across islands, exposing a devastating collapse of some of the world’s most fragile ...