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” levels, a new study has found.

Record 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” levels, a new study has found.

Researchers are urging policymakers to take action in light of 'catastrophic' damage to the world's largest coral reef system.

A team of marine scientists from the University of Sydney has published the first peer-reviewed study documenting the devastating coral bleaching events that occurred on the southern Great Barrier Reef in early 2024.