Like all other snakes, sea snakes shed their skin as they grow. But because they live near the surface of the open ocean, ...

Many organisms often set up their homes on sea turtles. Known as epibionts, the most noticeable passengers are usually the ...

Many crabs are famous for their sideways shuffle, but little is known about how this movement evolved. Now, scientists have traced the history of their iconic walk to a common ancestor that lived ...

Editor's note: USA TODAY, with support from the Pulitzer Center, traveled to Alaska, Southern California, Florida and Maine to document climate change's effects on oceans and the people who fish in ...

After half a decade of worryingly low numbers, the Chesapeake Bay's blue crab population appears to be fighting its way out of a slump. This year's field sampling estimated a total population of 349 ...

BAY POINT, N.J. — Susan Linder was hunting for buried treasure. Kneeling at low tide, the biologist dug up small shovelfuls of sand, scanning each scoop for tiny jewels. One yielded a cluster of ...

Two animal mysteries associated with coastlines intrigue me. Who ate the first raw oyster? Who picked up the first horseshoe crab? The first person who pried open what looks like a rough gray rock and ...