Add Yahoo as a preferred source to see more of our stories on Google. The Great Barrier Reef is the world’s largest living structure, so big, it can be seen from space. Photograph by Kieran Stone, ...

The Great Barrier Reef story begins much earlier than most people realize. There is evidence that the Great Barrier Reef is around 650,000 years old, though researchers estimate that the precursor to ...

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 ...