Sharpen your coral-ID skills with these expert tips on how to identify mountainous star coral, or Orbicella Faveolata.

Pro underwater photography tips for nailing over/under split shot photos.

From the preserved ­shipwrecks of the Great Lakes to the critter-­filled currents of British Columbia, the kelp forests of California, the wreck graveyards of Scotland’s Scapa Flow and the icebergs of Antarctica, some of the coldest aquatic environments on the planet harbor some of the most amazing sights you’ll ever experience.

How to use pre-dive checklists to improve scuba diving safety and more.

Pro tips for improving focus in underwater photography.

Sharpen your coral identification skills with these tips on how to identify rose coral.

Fish-ID tips from Ned and Anna DeLoach, who offer fish-ID memory aids for scuba divers.

Thinking about trying scuba diving? We answer some pressing FAQs.

From cleanliness to saving money, here are five reasons why you should buy your own scuba gear.