A tranquil underwater scene featuring schools of fish swimming together in clear, shallow water. The movement of the fish and sunlight streaming through the surface offer a unique look at river life ...

Underwater photographers and free divers rescued a mobula ray tangled in fishing rope while being circled by sharks off Baja ...

Worldwide, millions of people live in river deltas that are sinking faster than sea levels are rising, research suggests.

The Rodman/Kirkpatrick Dam, an early piece of the never-completed Cross Florida Barge Canal, flooded this swampy landscape in ...