A new documentary explores the tragic legacy of killer whale training.

Slowly but surely, humans are coming together to protect sharks all across the globe.

The SeaOrbiter project will wander the oceans for science.

Puerto Rico protects leatherback hatching grounds.

Troy Bodden is working to keep Utila a natural paradise by improving the lives of its residents.

Seacology plants a kindergarten for coral in the middle of a blossoming Raja Ampat no-take zone.

St. Croix-native Kemit-Amon Lewis is working to conserve and grow coral reefs in the U.S. Virgin Islands.

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These human-assisted habitats act like defibrillation paddles, revving up struggling reefs and reviving declining fish populations from Florida to Indonesia and beyond.