Coral reefs are some of the world's most diverse ecosystems. Despite making up less than 1% of the world's oceans, one quarter of all marine species spend some portion of their life on a reef.

NHA TRANG, Vietnam — The gentle waves off the coast of central Vietnam’s Nha Trang obscure an open secret: The life-giving coral reefs below are dying. The waters are eerily devoid of fish.

Feb. 12, 2025 — Researchers are designing a global real-time monitoring system to help save the world's coral reefs from further decline, primarily due to bleaching caused by global ...

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A colorful coral reef, viewed from just beneath the surface of the ocean. A winding river delta, seen from far up in the sky.

At 25 feet deep, the Philippine Coral Reef tank is one of the deepest and largest indoor display of living coral in the world. Under the surface, hundreds of fish mingle with eels, anemones, starfish, ...