In time, it helps to create one of nature’s most spectacular ecosystems: a coral reef. Orange, blue, and sparkling-silver fish dart around a seascape of vibrant greens, yellows, pinks ...

told National Geographic. "Our survival depends on healthy coral reefs, so this exciting discovery underlines the importance ...

The "mega" coral is 112-feet wide, 105-feet long and 18-feet high, making it larger than a blue whale, the world's largest ...

It’s more than 100 feet long, around 300 years old, made of nearly 1 billion little polyps and visible from space ...

On an expedition to the Solomon Islands, divers affiliated with National Geographic have found the world’s largest single ...

Now, the largest coral ever recorded has been discovered, scientists said Thursday, and it’s so big it can be seen from space ...

Scientists say they have discovered the world's largest coral — measuring longer than a blue whale — on an expedition in ...

At 111 feet wide, 104 feet long, 18 feet high, and 600 feet around this stunning organism in the southwest Pacific Ocean is ...

Home to silky sharks, myriad fish, and the critically endangered elkhorn coral, the reef teems with life and vibrancy. This story appears in the November 2016 issue of National Geographic magazine.