This article was produced by National Geographic Traveller (UK). The first time a giant trevally fish hits me on the forehead, I freeze. We’re 39ft below the surface of the ocean at dusk, the inky ...

Australia is doing absolutely everything to protect its most iconic ecosystem — except, perhaps, the one thing that really ...

Artificial light can wake sleeping fish and attract predators, changing nighttime coral reef communities, according to new research using novel underwater infrared cameras. The study, published today ...

Turtles bogged in mud. Crabs crawling through the flats. Sharks waiting in the shallows. This wasn’t just exploration—it was witnessing what the reef hides at night. They crossed channels with fast ...

During a night dive on the house reef at Sand Dollar Sports, diver Catherine Anne Hoelzer captured a breathtaking encounter with a Caribbean reef octopus as it fed and expanded across coral formations ...

Beaches along the Great Barrier Reef are coming alive as thousands of baby turtles hatch and rush to the sea in the "ultimate race for ...