The world's largest coral has been found in the southwest Pacific Ocean, and scientists say the massive organism is visible from space. The big picture: The "mega coral" near the Solomon Islands that's believed to be about 300 years old and measures 105 feet long by 111 feet wide was discovered by the National Geographic Pristine Seas team,

The largest coral ever recorded has been found by scientists in the southwest Pacific Ocean. The mega coral - which is a collection of many connected, tiny creatures that together form one organism rather than a reef - could be more than 300 years old. It is bigger than a blue whale, the team say.