Learn where nudibranchs live and aim for a super macro shot that highlights the sea slug’s unique features.

If sharks keep disappearing, what will become of our oceans and favorite shark dives? These shark organizations and non-profits are dedicated to bringing change.

The best places to go diving with great white sharks, hammerhead sharks, whale sharks, and more. Plus: How to do it safely.

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.