Barnacles are more than ship pests. Learn how they filter water, feed predators, build habitat, and affect animals and ships.

A green sea turtle is improving after being found stranded on a North Carolina beach with over 1 ½ pounds of barnacles and other organisms on its shell, seashore officials announced over the weekend.

Standing at the rail of a large cruise ship at sunset, the scene can feel simple: metal, water, and sky. Yet the vessel is rarely alone. A cruise ship travels through the ocean as a moving structure ...