It’s time to make a splash ...

From coral reefs to cave dives, doctors share how the underwater world helps them find peace, rediscover wonder, and see ...

The San Jose Sharks play ice hockey. The Sebastopol Sharks? They play underwater hockey. The sport is a combination of swimming, freediving, snorkeling and, of course, hockey. Because points unfold ...

It was a journey full of firsts, as are most trips to the tiny Pacific nation of Palau. Before my first swim with jellyfish and my first leap from a paddleboard into an underwater cave, my passport ...

No voices, no noise — just the sound of air regulators in the background. All thoughts disappear into the feeling of calm.

Which diving light is best? Whether you’re an experienced diver or just starting, you won’t always be diving in crystal-clear water with the sun shining brightly from above. And as your skill ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. An island 50 miles ...