Anchoring the boat in a sandbar, research scientist Morgan Gilmour steps into the shallows and is immediately surrounded by sharks. The warm waters around the tropical island act as a reef shark ...

The Ocean Photographer of the Year contest announced the finalists in its 2024 competition. Photos show underwater wildlife including sea turtles, sharks, whales, and coral reefs. The winners of the ...

The Great Pacific Garbage Patch is not a solid island of rubbish, but a vast region of ocean where currents concentrate floating plastic into a soup of debris. It sits in the North Pacific Subtropical ...

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 ...