The news is from Australia.
A survey has found that the coral has recovered from storms and bleaching events.
The northern and central parts of the reef have more coral than ever before.
The southern part of the reef has less coral.
The coral is vulnerable due to climate change and other threats.
The Australian Institute of Marine Science surveys the reef each year using aerial surveys and divers slowly towed by boat.
Aims had grave concerns after the fourth mass bleaching in six years was confirmed in March.
In 36 years of monitoring the condition of the Great Barrier Reef, there have not been so many bleaching events.
When corals are stressed by warm water temperatures, they expel the algae that give them life and color.
Two mass bleaching events had never been recorded before.
La Nia is a weather phenomenon which brings cooler water temperatures and this year's event was the first to occur.
Dr Hardisty says the results show the reef can recover if conditions allow.
The reef has been damaged by crown-of-Thorns starfish and tropical storms.
Much of the new coral growth is exposed to the reef's threats.
The observed recovery can be reversed in a short amount of time.
The Great Barrier Reef is one of the most biodiverse environments in the world and has been listed as a World Heritage site for 40 years.
Climate change is making the outlook for the icon poor according to the Great Barrier Reef Marine Park Authority.
Not enough is being done to protect the reef according to Unesco.
The volunteers take pictures of the reef for analysis.
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