about a third of hard coral had died, the "largest annual decline" in 39 years of government monitoring, the agency said. Often dubbed the world's largest living structure, the Great Barrier Reef ...

The Great Barrier Reef, a global treasure and the largest ... “After tracking the corals for five months, it was hard to recognize many of the colonies,” she said. “They were either covered ...

In the 20th century, global sea level rose faster than at any other time in the past 3,000 years. It's expected to rise even ...

The LTMP quantifies long term trends in the status of coral communities across the Great Barrier Reef. Researchers use hard coral cover as one indicator of the condition of each reef.

Trillions of cells from dozens of key coral species on the Great Barrier Reef (GBR ... has 34 species of the approximately ...

Bleaching damage on the corals of the Great Barrier Reef near Queensland, Australia. Credit: GREG TORDA/ARC CENTRE CORAL/REX/Shutterstock Australia's Great Barrier Reef is under serious threat as ...

The hard version of coral polyps produces limestone that is used to form layer after layer of a rigid coral skeleton. Groups ...

Warming sea temperatures and repeated mass coral bleaching events are threatening to destroy the ecology, biodiversity, and beauty of the Great Barrier Reef. But the new research was not published ...

Covering nearly 133,000 square miles (345,000 square kilometers), the Great Barrier Reef is the world’s largest coral reef, home to more than 1,500 species of fish and 411 species of hard corals.