For Americans planning cruise ship vacations this spring or summer, there could be reason to worry about more than rough seas, experts say.

Crystal-clear waters, pristine beaches, rocky cliffs... To the west of Galicia, the Spanish archipelago of the Cíes Islands ...

From Trump's flirtation with renaming the Persian Gulf to the reignited conflict in Kashmir, these are some of the territorial disputes around the world.

A new review of ocean data suggests that more than 99.999 percent of the global deep seafloor has never been seen by humans.

AccuWeather forecasters are watching the Caribbean and eastern Pacific for potential early tropical activity between May ...

Black smoke rose from the Sistine Chapel chimney on Wednesday evening, indicating no pope was chosen as cardinals began their ...