Narrator: The Great Barrier Reef is big. So big ... So, you know, it's just amazing and beautiful. Narrator: But this vast ecosystem has been declining for a while. The culprit?

One of the seven wonders of the natural world, the Great Barrier Reef lies in the clear blue waters off the ... it is the Earth’s largest living structure, a massive, beautiful, and ancient biological ...

On the Great Barrier Reef, bleaching is underway in the northernmost section. This is the sixth bleaching event on the Great ...

Australia's Great Barrier Reef is home to a tremendous array of endangered species, some found nowhere else in the world. Renowned for its beautiful corals and water clarity, the reef was listed by ...

Many visitors say the Great Barrier Reef is best seen through a scuba mask, but it's no small feat to traverse the area's dive spots. When choosing which regions to explore, consider your skill ...

An "unprecedented" mass bleaching event has been recorded off Australia's western coast, scientists said Wednesday, turning ...

In 2016 and 2017, marine heat waves caused by climate change resulted in mass bleaching, which killed about half of the corals on the Great Barrier Reef, along with many others around the world.

An aerial view of Vlassof Cay in the Great Barrier Reef, Nov. 14, 2012 in Cairns, Australia. Credit: Mark Kolbe/Getty Images The bad news: 22 percent of Australia's Great Barrier Reef has died.

The best way to get around the Great Barrier Reef is by car or boat, depending on where you plan to spend the majority of your time. If you're on the mainland, renting a car is the best way to get ...