World-famous coral reefs along Western Australia's (WA) coast have suffered the worst bleaching on record after the state's "longest, largest and most intense" marine heatwave, scientists say.

The algae have poisoned more than 1,737 square miles of the waters, littering beaches with carcasses and ravaging an area known for its diversity.

In Western Australia, the damage to coral reefs including the World Heritage-listed Ningaloo has eclipsed any previous bleaching events.

On a coral reef off the eastern coast of Australia, scuba divers set up a tent-like trap in hopes of collecting some easily overlooked marine life. The approach worked and caught a red-eyed sea ...

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.

Visit Shark Bay and Coral Bay in Western Australia, two of the state’s most beautiful coastal destinations. This video ...

By Helen Regan, CNN (CNN) — Australia’s Great Barrier Reef is suffering another mass bleaching event, the reef’s managers confirmed Friday, the result of soaring ocean temperatures caused by ...

Record-breaking ocean heat has taken a devastating toll on one of the world’s greatest natural wonders, with coral bleaching on Australia’s Great Barrier Reef reaching “catastrophic ...

Sydney, Australia - A landmark decision has been made in Australia to increase protection of the Ningaloo Coral Reef, one of the world’s most spectacular natural wonders. The decision results in ...

“Australia is a marine nation,” Souter says. “Coral reefs are part of our national identity and the rich culture of Australia’s coastal Aboriginal and Torres Strait Islander peoples.” ...

Coral bleaching leaves Great Barrier Reef under threat ABC News' Britt Clennett reports from Australia where scientists and tour companies are putting in efforts to protect the Great Barrier Reef ...