Raine Island, a 52-acre half-moon of sand on the edge of the Great Barrier Reef, is the biggest nesting island on Earth for green sea turtles. More than 90 percent of the northern Great Barrier ...

A sea turtle's sex is largely dependent on the temperature of the sand they lay their eggs in. Green turtle nests in northern parts of the Great Barrier reef that average below 29.1 degrees ...

Dugongs and sea turtles swim in the waters around the island. Part of the outer Great Barrier Reef, Wheeler Reef lies some 40 nautical miles off the coast of Townsville. Wheeler Reef is off the beaten ...

Instead of overalls, Alan has donned a wetsuit, snorkel and flippers to show me around Hastings Reef, a horseshoe-shaped expanse of the outer Great Barrier ... corals, sea cucumbers and cabbage ...

Australia's Great Barrier Reef has suffered another mass bleaching event - the third in just five years. Warmer sea temperatures - particularly in February - are feared to have caused huge coral ...

Many visitors say the Great Barrier Reef is best seen through a scuba ... Hosting a kaleidoscope of fish, sea turtles and humpback whales, Cairns' reefs are teeming with wildlife.

Picture it: As the wind-powered craft clips along the Coral Sea, a tropical breeze teases ... sailing along the Great Barrier Reef is a must-do. If you're looking to sail north of Cairns, you ...