Researchers have made a gargantuan discovery that’s as large as two basketball courts, visible from space, at least 300 years old and brimming with marine life: It’s the world’s largest coral, found in the southwest Pacific Ocean.

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,