The gigantic standalone coral is about 600 feet in circumference and has grown uninterrupted for three centuries, according to National Geographic Society.

Photographs of seahorses taken by scuba divers revealed evidence of a long-lost species of marine worm that hasn’t been seen ...

The behemoth coral, discovered in October in the Solomon Islands, is longer than a blue whale and older than the United States.

The world's biggest coral — an organism made up of about a billion polyps — is about three times bigger than the previous record-holder and was discovered by chance during an expedition off the ...

The world's largest coral has been discovered in the southwestern part of the Pacific Ocean, surpassing the previous record ...

Scientists say they've discovered a "mega coral" three times bigger than the previous record holder - so huge they initially ...

In a stunning discovery, the world’s largest coral has been found thriving in the Solomon Islands in the southwest Pacific ...

SEE: Before and after images/video of this Pacific island, destroyed and restored to be a breeding ground for sea turtles and ...

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

One of the largest known sea creatures, the size of two football fields and believed to be several centuries old, has been ...

Tropical fish, brilliant coral formations, and a submerged statue of Jesus are among the many wonders at these Florida dive ...