MELBOURNE, Australia (AP) — The Great Barrier Reef has experienced its greatest annual loss of live coral across most of its expanse in four decades of record-keeping, Australian authorities say.

Learn how coral reefs drive daily changes in ocean microbes — a process that shapes how nutrients and energy move through ...

MELBOURNE, Australia — The Great Barrier Reef has experienced its greatest annual loss of live coral across most of its expanse in four decades of record-keeping, Australian authorities say. But due ...

STORY: Most of Australia's iconic Great Barrier Reef is suffering from coral bleaching, according to a report released on Wednesday. That's just days after climate experts raised concerns about ...

The southern Great Barrier Reef is suffering from extensive coral bleaching due to heat stress, the reef’s managers said Wednesday, raising fears that a seventh mass bleaching event could be unfolding ...

Parts of the Great Barrier Reef have suffered the largest annual decline in coral cover since records began nearly 40 years ago, according to a new report. Northern and southern branches of the ...

The Great Barrier Reef – the world's largest reef system that's "one of the richest and most complex natural ecosystems on Earth" – is once again undergoing a mass coral bleaching event. Officials ...

About 80 passengers on the Coral Adventurer are flown home after the cruise ship ran aground on a reef off Papua New Guinea.

MELBOURNE – The Great Barrier Reef has experienced its greatest annual loss of live coral across most of its expanse in four decades of record-keeping, Australian authorities say. But due to ...