Underwater photography expert Alex Mustard shares his secrets for how to shoot better photos of shipwrecks.

This scuba diving accident analysis reviews what happens when divers ignore safety warnings and venture close to water intake pipes.

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What it's like to swim with orcas—or killer whales—in Norway's Troms region aboard *Sula* liveaboard.

A science expert lists his favorite amazing shark facts, including facts about Greenland sharks, bull sharks and more.

Pro tips for scuba diving safety in low visibility, and how to make the most out of a dive with bad viz.

Learn how to identify key coral species like the *Isopora Palifera* coral.

Professional stunt diver James Mitchell-Clyde, who has worked on numerous Hollywood projects—here are his most memorable moments.

These machines can be lifesavers when a diver gets a case of the bends.