Did you know that coral reefs are vital to the survival of our ecosystem? And did you also know that reefs can be found as ...

Colorful coral reefs fill the underwater scene in the Great Barrier Reef, Australia. Small fish swim freely among the coral formations. This view shows a healthy and active marine ecosystem.

Seaweed bathing in Ireland, a trek through Africa’s first designated wilderness quiet park—we asked National Geographic staff ...

Tropical coral reefs cover less than 1% of the seafloor, yet support 25% of all marine species. They are also incredibly vulnerable. Over the past few decades, an estimated 30–50% have already been ...

Overfished coral reefs are producing far less food than they could. Researchers found that letting reef fish populations recover could boost sustainable fish yields by nearly 50%, creating millions of ...

The 'Coral Adventurer' ran aground on Saturday, Dec. 27, with more than 120 people on board Alamy An Australian cruise ship sailing off the eastern coast of Papua New Guinea ran aground over the ...

Coral reefs, often called the rainforests of the sea, are among the most biologically diverse and ecologically important ecosystems on Earth. Despite covering less than 1% of the ocean floor, they ...

Coral reefs may seem like paradise, but they are being degraded by a range of global and local factors, including climate change, poor water quality, and overfishing. New research reveals that ...

The issue features striking wildlife photos highlighting endangered species and fragile ecosystems. Some photos also show once-endangered species bouncing back thanks to conservation efforts. National ...

University of Sydney marine biologists have identified a devastating combination of coral bleaching and a rare necrotic wasting disease that wiped out large, long-lived corals on the Great Barrier ...

A sperm whale floats amid shards of polar pack ice, dead and decomposing, mouth hanging open. When photographer Roie Galitz captured the scene with a drone, the image was so arresting that it took a ...

Plastic pollution is a growing problem in many reef ecosystems, and its effects are not well understood. Most previous research has focused exclusively on adult corals and their interactions with ...