(CNN) – Santa Claus took his annual holiday plunge in the Florida Keys National Marine Sanctuary Saturday. Santa brought ...

Old St. Nick took his annual holiday plunge in the crystal-clear waters of the Florida Keys National Marine Sanctuary over the weekend, where 76-degree weather and streams of sunshine made for ideal ...

Just days before he'll take flight in a sleigh, Santa Claus took a swim at the Great Lakes Aquarium in Duluth.

Blue Spring State Park is Florida at its finest. Located west of Orange City and north of Orlando, the 2,600-acre destination ...

Tucked away in Northern Mindanao, Misamis Oriental is an underrated dive destination with incredible biodiversity and some of the healthiest reefs I’ve seen. There’s nothing quite like the feeling of ...

Scattered across the walls in the entryway of QC Scuba Adventures are pictures and posters of memories from decades of diving into the seas across the Earth. Fiji, the Caribbean, Philippines, ...

Since he was a baby, Aaron has dealt with a condition that has slowly degraded his kidneys. On Monday, about three months after a transplant surgery that saved his life, he met his 25-year-old donor, ...

A team of volunteer scuba and free divers pulled more than 450 pounds of garbage from Sasamat Lake on Dec. 7, including 275 ...

Scientists from the Polytechnic Institute of Novgorod State University, together with colleagues from a number of Chinese ...

Water safety advocates are urging the public to take extra care when participating in underwater activities this summer.

MOWED down by a reckless speedboat driver as she swam in the ocean with her two beloved sons, Kirsty MacColl’s life was ...

More than 100,000 people in the U.S. are waiting for an organ, and 86% of them need a kidney, according to Donate Life America.