Coral reefs worldwide are in trouble. These ecosystems support a billion people and more than a quarter of marine species.

Healthy coral reefs echo with a chorus of grunts and purrs from fish feeding, looking for mates, or defending their territories, underscored by the persistent crackling of snapping shrimp. Larval ...

Scientists are increasingly arguing that coral-reef restoration is a lost cause — but done right, it can still benefit ...

As the first National Geographic Pristine Seas expedition in Papua New Guinea winds down and all of the field equipment and tools are cleaned and packed away, the science team has been busy entering ...

After dropping anchor near a mangrove island in the Port Honduras Marine Reserve, Kylon Garbutt sets up his fishing line. A ...

The symbiotic relationship between corals and their photosynthetic algal partners (photosymbionts) goes back at least to the ...

A research team has used nitrogen isotope analysis to demonstrate that 385 million years old corals from the Eifel and Sauerland regions had symbionts. This finding represents the earliest evidence of ...

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