Are you struggling to know how much weight you need diving? The key to effortless neutral buoyancy under water takes place on the surface — here's the test!

Have you ever had the bends? Here's how to self-diagnose decompression sickness (DCS) after scuba diving so that you know when to see a doctor.

Wondering why you can't equalize during a dive? If you're struggling to clear your ears, here's how you can avoid ear squeezes forever.

Being a dive buddy is more responsibility than you may think. Here's our quick list of ways to be the best buddy for your fellow diver.

Scuba divers ask lots of questions, including "Why do I surface with blood in my mask?" and "Is it OK to exercise after a dive?" Here are the answers to 10 of the most frequently asked ones.

When is safe to fly after scuba diving? How long should you wait after diving to fly — 12 hours? 24 hours? The answer may surprise you.

Looking for the best way to sharpen your underwater photos? Here's how to use the new Texture Slider in Lightroom.

Unfamiliar with how to properly dive with a drysuit, a scuba diver gets in serious trouble in this Lessons for Life scuba diving accident analysis.

In this edition of Ask a Marine Biologist, Dr. David Shiffman answers a question from a reader.