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.

A technical diver cannot be resuscitated after he rejects alternate air sources to address a free-flowing regulator.

Diver propulsion vehicles can open up another dimension of diving, but it also requires additional skills, techniques and safety considerations.

A marine biologist shares what degrees it takes to break into the field, where they work (it’s not always in the ocean!), how much you can make as a marine biologist and more.

ASK DAN: What Do I Need to Know About Decongestants and Diving?