Another case study in our Dive Training Series "Lessons For Life": Panic, claustrophobia and poor decision-making lead to a dive fatality.

Lionfish use venom as a protective mechanism.

DAN's annual report on dive accidents highlights four factors common to fatal accidents. The good news: They're all preventable. Our dive-training tips.

See what scuba diving lessons we can learn from this fatal accident: an inexperienced, out-of-shape diver dies close to shore.

One scuba diver pushes his limits on a liveaboard trip and suffers from decompression illness as a result.

Being unprepared for wreck penetration spells disaster for a showoff dive instructor.

Scuba divers often have trouble clearing their ears while descending. Here are tips on how to equalize your ears while scuba diving.