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

For centuries, an extraordinary coral lay hidden beneath the Pacific Ocean’s surface near the Solomon Islands, growing unnoticed on the seabed. Now, scientists from National Geographic’s Pristine Seas program have uncovered this massive living structure,

A team of scientists has discovered the world’s largest known coral in the waters off the Solomon Islands, a massive and vibrant organism that can be seen from space. Measuring 183 metres (600 feet) in circumference, this gigantic coral, a species known as Pavona clavus, is estimated to be between 300 and 500 years old.