Franck Seguin, who took the photos you see here, only used an oxygen tank on the deepest of dives. “The ocean is vast. In it, you feel very, very small, even powerless,” Seguin said.

Ken Kieley is wading into internet waters in hopes of reunification after finding a GoPro camera on the seabed off Victoria ...

Stig Severinsen, a world record free diver, explains how he focuses and enters in to a state of meditation while holding his breath underwater. He currently holds the Guinness World Record for ...