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 enormous organism is bigger than a blue whale and made up of millions of genetically identical, tiny animals called polyps