The excitement of a new experience causes a missed predive safety check, triggering an emergency at the start of a night dive.

A diver’s buoyancy is dynamic, constantly altered by pressure as the diver ascends and descends.

Underwater shutterbugs should prepare for wide-ranging conditions in this archipelago of plenty, from World War II wrecks to mantas.

A beginner's guide to how underwater photography snoots work and how to master them.

Five PADI Pros reflect on how joining the dive industry altered the course of their lives.

Here’s how many brains and arms octopuses have, how long they live, what octopuses are, and more.

Make the most of your mask purchase with these tips to find the one that suits your face shape and dive style.

Here are five questions that will help you evaluate how good of a dive buddy you are.

Divers should plan ahead to avoid the hazards that can arise when scuba diving without a wetsuit—even in warm, friendly waters.