A coral is often a colony of tiny, genetically identical animals. New research suggests that when a bleached coral fragment ...

Coral reefs around the world are facing an existential threat from rising ocean temperatures, which trigger mass bleaching.

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Coral reefs are among the most biologically rich ecosystems in the entire ocean, providing food and shelter for countless ...

Scientists have found three new species of sun corals off Sung Kong and Waglan islands in the eastern waters of Hong Kong. The discovery of these orange, violet and green corals brings the number of ...

These images from the Smithsonian Magazine Photo Contest highlight the importance of the marine ecosystems and the many ...

The Komodo Islands in East Nusa Tenggara, Indonesia, reveal a vibrant underwater landscape filled with colorful coral formations and diverse marine life. Beneath the clear tropical waters, large ...

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In the Northern Hemisphere, the summer of 2023 was the hottest on record. In the Caribbean, coral reefs sat in sweltering water for months—stewing in a dangerous marine heat wave that started earlier, ...

Jarrod Taylor has been diving in the waters off the coast of Honolulu for 20 years, and he has witnessed a seismic shift happening not just in Hawaii but across the world's oceans. Coral reefs — which ...

As record ocean heat threatens corals off Florida and across the globe, conservationists are shifting their strategy Share Comment Add to your saved stories Save ...