Scientists use satellites in fight to save coral reefs 03:23. The central and northern stretches of Australia's Great Barrier Reef are showing the highest coral cover seen in 36 years, showing ...

Saving the Great Barrier Reef. Stretching some 1,420 miles along northeast coast of Australia, the reef is the world’s largest coral reef ecosystem and can be seen from space. UNESCO first ...

The southern Great Barrier Reef is suffering from extensive coral bleaching due to heat stress, the reef’s managers said Wednesday, raising fears that a seventh mass bleaching event could be ...