California’s New Parks Under the Sea

California created a network of underwater wilderness reserves. These marine protected areas offer great diving. Read more.

Diver swims on top of corals

Photography of the Unseen

Certain marine critters are elusive and harder to photograph — not impossible. Learn the best photographic ideas, techniques and insights into methods for taking photos of these critters.

White frogfish pokes head out of corals. The frogfish looks like a head of cauliflower.

SCUBAnauts: Rising to the Challenge

SCUBAnauts is an organization that provides hands-on marine science education. SCUBAnauts has worked on reef restoration projects to turtle and fish studies. Read more.

Group of diving nerds stand in front of US Capitol

On the Brink

Predatory fish in natural environments are a rarity, because of physical traits and population exploitation. Read more about about predatory fish populations that are on the brink.

Dopey-looking hammerhead shark swims above the ocean floor

A Journey of Education and Adventure

A recipient of the Our World–Underwater Scholarship Society Rolex Scholarship discusses what a year was like with that distinction and honor. The year, she writes, was one of education and adventure.

Diver in a shark cage looks at an exterior great white shark


Oxygen has long been recognized as the primary first aid for scuba diving injuries. In light of compelling evidence in favor of oxygen first aid, one of DAN’s stated missions is to ensure that oxygen first aid equipment and people trained in its use are at every dive site.

Woman in pink tank top assists man on oxygen tank

DAN Member Profile: Bob Talbot

DAN member, photographer and cinematographer Bob Talbot discusses why he is a member and how he became fascinated with the underwater world.

Black-and-white photo of two divers in a wire cage behind a shark

Baja Big and Small

Baja, in the Gulf of California, is home to creatures big and small. Learn more about from this first-person encounter on the critters of Baja.

Two male pikeblennies duel for territory. They're mouths are ensared

Core Quickie

Core muscles are incredibly important for everyday activities, but also for scuba diving. A stronger core reduces the risk of injury when lifting dive gear and it promotes years of pain-free diving. Learn more great core exercises.

Female personal trainer in sports bra and shorts lies on stomach with legs up

Kauai’s Niihau

Get a first-hand look at diving in Kauai’s Niihau. The diver discusses searching for the Niihau volcano and more.

Diver swims behind a giant sea turtle