Giant clams grow huge by relying on algae for energy. Scientists found genes that help them live with algae and grow big.

Ancient sea creatures sported mohawk-like spines LONDON — When scientists discovered two ancient sea creatures from 430 million years ago, they didn’t expect to find themselves drawing parallels with ...

Shells are the outer skeletons of mollusks - soft-bodied animals including snails, clams, mussels, oysters and scallops. Many mollusks grow inside bivalve shells - two shells hinged together on ...