When you think of great swimmers, animals like dolphins, fish, or penguins probably come to mind. But the animal kingdom is full of surprises, and many creatures you’d never expect to navigate well ...

A night dive off Komodo Island, Indonesia, turned unforgettable when an underwater videographer came face-to-face with one of ...

Among the most adept swimmers are sea snakes, which spend their entire lives in the ocean, and water snakes that live in and around fresh-water habitats in the eastern half of the United States.

Giant snakes are thriving and keeping ecosystems balanced. Recent online videos show these reptiles in various habitats.