Long before satellites or sextants, Polynesian voyagers explored one of the largest bodies of water on Earth. They did this ...

A smelly, sometimes toxic “killer belt of seaweed” might put a damper on Floridians’ Memorial Day weekend plans. Sargassum is ...

Much of Hawaii's coral reefs are dying, turning bleached white, due to rising temperatures and chemicals brought into the ...

Coral reefs in Honolulu and other coastal areas are undergoing what experts say is the world's worst coral bleaching event.