A guide to the best national parks for scuba diving from Maine to Florida to Alaska.

Dives that let scuba divers help the ocean, from California to Thailand.

Whale sharks, manta rays, oceanic whitetip sharks, sea turtles, monk seals and groupers are all endangered. Here’s how to help protect each one.

From unlimited shore diving to nonstop big-animal action these six dive destinations deliver the best value for your money.

These nine dive destinations go from cold to coldest and put your cold water tolerance to the test. How low will you go for a dive?

Diver will delight in the springs scattered across central Florida no matter certification level.

Suzan Meldonian is helping humans evolve through underwater photography and for that she has been named our latest Sea Hero.

Thinking about scuba diving in caves? These five courses — from entry-level to advanced — will prepare you for the thrilling experience of cave exploration.

A marine biologist discusses everything you can learn from the recent release of the annual, International Shark Attack File report and how to spot misleading information.