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?

Scavengers eat animals that are already dead instead of hunting live prey. It's extremely important to keep ecosystems clean and healthy.

A diver decides breathing pure oxygen is all she needs to address DCS symptoms, impeading proper treatment.

Underwater navigation and search patterns both contribute to reclaiming your belongings form the waves.

Diver safety is always the top priority. These tools and lessons will help you safely execute a Dive Against Debris without incident.

Some of the world’s best dive sites are only accessible by boat, but unfortunately, seasickness prevents some divers from visiting them.