What is a hermit crab? There are over 800 species of hermit crabs worldwide, and almost all are ocean dwellers—though people are likely most familiar with the dozen semi-terrestrial species ...

Bombinhas, Santa Catarina, Brazil Info from Licensor: "This is a diver named Djonatan Junckes. He went bass fishing and ended ...

One morning on St. John, U.S. Virgin Islands, photographer Steve Simonsen captures thousands of hermit crabs migrating What Is an Aurora? (03:13) National Treasure: The Fearsome Science Behind the T.