Most marine animals form their shells from calcium carbonate, which is a tough mineral also found in limestone. Some sponges ...

Seashells are abundant along coastlines, originating from mollusks that construct exoskeletons for protection. Comprised mainly of calcium carbonate, these shells possess enduring qualities that make ...

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

Did you know the Palmetto State has a seashell representative? The South Carolina state shell is officially listed as the lettered olive (Oliva sayana). Have you heard of it? The seashell was ...

Archaeologists in the United Arab Emirates found hundreds of seashell fragments left from a craft workshop at an ancient desert oasis settlement, a study said. Photo from T. Sagory Waves splash along ...

You can see the live snail inside the shell. It’s white, says the National Park Service. The the yellow patch is a hard anatomical structure used like a trap door,. to protect the snail after it pulls ...