A tour guide caught an amazing and incredibly rare sight while sailing along Australia's Great Barrier Reef. As the Cairns ...

The whale shark — a shark, not a whale — is the largest fish in the world, roughly the length of a city bus. Whale sharks ...

Australian authorities say the Great Barrier Reef has experienced its greatest annual loss of live coral in four decades ...

Australia's famed Great Barrier Reef has suffered its most widespread coral bleaching on record, according to a government ...

The Great Barrier Reef has recorded its largest annual coral loss in nearly four decades, driven by climate change and mass ...

Australia’s iconic Great Barrier Reef suffered its biggest ever decline last year after a marine heatwave bleached vast swathes of hard coral, a new report has found.

The Great Barrier Reef has experienced its greatest annual loss of live coral across most of its expanse in four decades of ...

A new report from the Australian Institute of Marine Science (AIMS) confirms the deteriorating state of the Great Barrier Reef (GBR). The study assesses coral cover ...

Australia’s iconic Great Barrier Reef suffered its biggest ever decline last year after a marine heatwave bleached vast swathes of hard coral, a new report has found.

Australia's Great Barrier Reef has suffered the largest decline in coral cover in two of its three regions over the last year ...

By Jessie Yeung, CNN (CNN) — Parts of Australia’s iconic Great Barrier Reef, famed for its stunning colors and biodiversity, suffered the biggest decline of coral on record last year after a ...

Australia's famed Great Barrier Reef has suffered its most widespread coral bleaching on record, according to a government report released Wednesday that warns the natural wonder is in dire ...