Australia’s Great Barrier Reef is all about superlatives. It is the world’s largest coral reef, extending some 1,400 miles off the east coast of Australia and covering some 133,000 square miles.

The Great Barrier Reef just experienced its worst summer on record, and the US-based National Oceanic and Atmospheric Administration (NOAA) announced last month that the world is undergoing a rare ...

Reef Magic’s tour departs at 9 a.m daily and starts at AU$299 (about $187) for adults and AU$149 (about $93) for children ages 4 and 14. For more help planning your trip to the Great Barrier ...

Researcher Peter Harrison is reseeding the Great Barrier Reef using a process he likens to in vitro fertilization (IVF) for coral. It could help reefs around the world.

As the early-morning sun rises over the Great Barrier Reef, its light pierces the turquoise waters of a shallow lagoon, bringing more than a dozen turtles to life. These waters that surround Lady ...

By Rebecca Wright, Ivan Watson and Tom Booth, CNN Great Barrier Reef, Australia (CNN) — As the early-morning sun rises over the Great Barrier Reef, ...

CNN witnessed bleaching on the Great Barrier Reef in mid-February, on five different reefs spanning the northern and southern parts of the 2,300-kilometer (1,400-mile) ecosystem. “What is happening ...