Volcanic islands, such as the islands of Hawaii and the Caribbean, are surrounded by coral reefs that encircle an island in a labyrinthine, living ring. A coral reef is punctured at points by reef ...

Corals that build reefs often share their calcium carbonate skeleton with tiny algae that photosynthesise like plants on land. The coral host gains food, the algae shelter. These algae are also ...

ST. JOHN, U.S. Virgin Islands—Thirty-five feet deep in clear turquoise waters, a three-foot-long yellow underwater robot maneuvers over a coral reef at a popular snorkeling site named Tektite.

If you liked this story, share it with other people. A new study finds that coral reef researchers come mainly from institutions in high-income countries, and that the contributions of researchers ...

Discover how an algae-based gel enhances coral restoration by attracting larvae to damaged reefs, increasing settlement rates by up to 20 times.

Coral reefs are severely threatened by ocean warming caused by climate change. They are projected to decline by 70-90% at 1.5 degrees Celsius (2.7 degrees Fahrenheit) of warming relative to ...

Coral reefs are sometimes dubbed “rainforests of the sea” because they support high levels of biodiversity — approximately 25% of all marine species can be found in, on and around coral reefs.

Harmful bleaching of the world’s coral has now grown to include 84% of the ocean’s reefs in the most intense event of its kind in recorded history.

Coral reefs are sometimes dubbed "rainforests of the sea" because they support high levels of biodiversity — approximately 25% of all marine species can be found in, on and around coral reefs.

Harmful bleaching of the world’s coral has grown to include 84% of the ocean’s reefs in the most intense event of its kind in recorded history, the International Coral Reef Initiative a… ...

Coral reefs are sometimes dubbed “rainforests of the sea” because they support high levels of biodiversity — approximately 25% of all marine species can be found in, on and around coral reefs.

The nation’s coral reefs protect billions of dollars’ worth of economic assets like these buildings in San Juan, Puerto Rico, each year. FEMA has provided the commonwealth with $38.6 million ...