The sunflower sea star—which can span more than three feet across—is a ravenous, roving apex predator able to devour armored animals like urchins, snails, clams, and crabs. But a mysterious wasting ...

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 ...

Beds of Bathymodiolus mussels provide important habitat for other deep-sea critters, including sea stars, scaleworms and limpets. NOAA Ocean Exploration. The deep sea is the large ...

I came across the stunning sea urchin photography of Anders Hallan. The way all the urchins are lined up in a grid makes them ...

National Geographic has revealed the Pictures of the Year 2025, highlighting images by Nat Geo photographers that inspired and defined the past year. This year's showcase features 25 images that cover ...

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 ...

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 ...