They considered 250 vacation destinations to make the final list. These breathtaking photos will show why the Great Barrier Reef earned the top spot.

Photographs and video footage of Ningaloo Reef have since been published online, leading authorities to demand a strong ...

From a synchronized ballet of white-tip reef sharks ... the Black Sun Coral, this Longnose Hawkfish was not too concerned with my presence and sat still long enough for a few photos before it ...

Advocates are calling this a “red alert” moment for the usually resilient reef, as a marine heatwave already linked to a fish kill and cyclone intensification moves south.

Most corals are colonial animals - superorganisms comprising lots of smaller organisms - made up of multitudes sea anemone-like coral polyps. In the reef-building "hard corals", the polyps sit in ...