Years ago, while working to build an orphanage in Tanzania, Renee Blundon got into ocean swimming for exercise. Swimming turned into snorkeling, then to scuba diving, to underwater hockey and ...

Amber Bourke stands on the ocean floor, facing away from a black abyss while holding her breath. Slowly, she crouches down and pushes off, arching her back gracefully and spinning down into the ...

Santa Monica freediver Jana Strain (center) set a new Pan American Women's freediving record Monday, diving with a no fins to 53 meters (174 feet) in 2 minutes and 3 seconds. (photo by Mike Wells) ...

Moments before setting a national freediving record in April, Lt. Col. Laurence Paik checked to make sure his nose clip was fastened, his flashlight was beaming, and his lanyard -- attached to a line ...