From groundbreaking research to the beauty of marine sanctuaries teeming with life, these images shine a spotlight on the ocean and the Explorers who champion it. South American sea lions (Otaria ...

This secretive native of both sides of the Caribbean—from Belize to the British Virgin Islands—hides out on ledges and in caves of reefs up to 140 feet below the surface of the sea. Although not being ...

National Geographic Explorers participating in the National Geographic and Rolex Perpetual Planet Ocean Expeditions are conducting scientific research across Earth’s most crucial ecosystem. Through ...

The charismatic ocean advocate and founder of National Geographic Pristine Seas continues to find new ways to combine research and storytelling to champion marine conservation. A drone photo of a reef ...