No, whale sharks' eyeballs are not covered in miniature teeth. Here's what the discovery of dermal denticles in a whale sharks eyes actually means.

In this edition of Ask a Marine Biologist, Dr. David Shiffman proves that sharks are far more than mindless killing machines.

Experienced cave diver details what it's like to discover new cave lengths and set the record for the longest dive into an underwater cave without resurfacing.

The IUCN Red List is a collection of the best available scientific data analyzed and summarized by an international team of experts—such an assessment is not an opinion and not a guess. But such an assessment does not carry the force of law, and IUCN Red List Endangered status doesn’t mean the same thing as being considered endangered under the U.S. Endangered Species Act.

An experienced diver with signs of DCS doesn’t immediately respond to treatment—what’s going on here?

Tailor your message, focus on what matters and keep hope alive to take underwater photos that will inspire ocean conservation.

Getting PADI scuba dive certified during coronavirus is not only possible, but a blast thanks to the spirit of local divers.

Learn about the damage of marine debris, how divers can be part of the solution and tips for establishing and conducting a Dive Against Debris survey with this PADI speciality.

Learn the foundations for CPR and first aid so you can help injured divers until emergency services arrive on the scene.