Leading fellow divers through series of underwater caves can be extremely rewarding, but there's a lot of skill that goes into the work. Here's what it takes to become a pro cave diver.

What's it like when you book a liveaboard dive trip for the first time? One writer reflects on her experience.

Before becoming a professional photographer, you have to master the basics. These are the most important settings to help you get started.

Looking to explore a little deeper or try out a new underwater skill? Here are the best places for advanced open water divers to visit.

Few creatures are more fascinating than cephalopods, with their unparalleled (and truly unique) methods for deceiving both predators and prey. It's these methods, in part, that make them the ideal subjects for your underwater photos.