Beachgoers on a popular stretch of U.S. coastline have been stopping in their tracks at the sight of translucent, blue and ...

This secretive native of both sides of the Caribbean—from Belize to the British Virgin Islands—hides out on ledges and in caves of reefs up to 140 feet below the surface of the sea. Although not being ...

There’s no one clear measure for animal intelligence so some people disagree which ocean creatures are the cleverest. But, ...