Australia is famous for its coral reefs, including the Great Barrier Reef on the east coast and Ningaloo Reef in the west. Both World Heritage-listed reefs attract thousands of visitors each year. But ...

O cean heat is killing corals at such high rates that in April scientists declared Earth was in its fourth global bleaching event—the second in a decade. The announcement came from the U.S. National ...

A new Arizona State University study reveals the extent to which sewage pollution threatens the fragile coral reef ecosystems of west Hawaiʻi Island. The study identifies exactly where ...

The world's coral reefs are like underwater cities, bustling with all kinds of fish and sea animals. Coral reefs cover less than 1% of the ocean, but they support an estimated 25% of all marine ...

Coral reefs, worth an estimated $9.8 trillion a year to humanity, are in far worse shape than previously realized. A massive international study found that during the 2014–2017 global marine heatwave, ...