Photographers can use backlights to illuminate, create contrast and more depending on how the equipment is used.

A new diver commits a cardinal sin: ignoring ear pain during descent. Divers should equalize early and often and never brush off ear pain.

Creating an anxiety signal reduced the number of students bolting to the surface during her pool sessions, especially when practicing the mask-clearing skill.

Linden Wolbert shares what it takes to work as a merperson, including her career trajectory, fitness routine and daily tasks. (Spoiler alert: No two days are the same.)

Just as you must equalize the pressure in your sinuses and middle ears, you must also equalize the pressure in your mask as you descend.

Diving with asthma has its own risks, but it’s not impossible. Speak with a dive doctor and consider these tips.

Learn how to deal with these water conditions and the "live boat" above.

A professional photographer breaks down a simple (but often forgotten) part of taking beautiful videos underwater.

Experience the novelty of diving at altitude in a wetsuit in this small Guatemalan town against a backdrop of dramatic volcanoes.