In the twilight depths of the Gulf of Mexico, about as deep down as a football field is long, U.S. Navy divers carefully snip ...

Galveston's beaches are awash in a form of seaweed called sargassum, but officials warn the unsightly plant has little-known ...

China has set its sights on Southeast Asia with projects like industrial parks, ports, nickel-processing plants, auto ...

Time to hit the beach. Explore the country's best coastal hikes, from short walks to adventurous through-hikes.