Imagine plunging into the depths of the ocean and coming face to face with a creature that glides through the water with ...

A woman has described the "chaotic" moment she was hit by a wave and lost her prosthetic leg during her first open-water swim ...

Keep a respectful distance (at least 6 feet) and let them swim freely. While it might be tempting to wear flippers or snorkel ...

Leftwich began to think about sea lions’ method of swimming with their front flippers rather than their hind flippers. The mammals are efficient swimmers and produce almost no wake. In ...

Video by Sarah Joseph and Jon Betz, Smithsonian Digital Studio; Text by Megan Gambino Benjamin Franklin invented swim flippers when he was 12 years old. Frank Epperson, age 11, conceived of the ...