The Apeks XTX200, the company’s flagship regulator, gets high marks for its excellent breathing characteristics: well-designed user adjustments, great hose swivel connection on the second stage, and cool-looking chrome finish on the compact, environmentally sealed, over-balanced diaphragm first stage.

There’s no boat, divemaster, nor schedule to keep. These 10 destinations are among the best places in the world for shore diving, where walk-ins are welcome.

Our experts debate whether Discovery Channel’s popular annual series is educational or just entertainment at the sharks’ expense

Our grand prize entry and the winning images in four categories from our 7th Annual Readers' Photo Contest.

Sea Hero Larry McKenna works tirelessly to protect leatherback turtles.

A new species of box jellyfish is discovered in the Caribbean.

From massive humpback whales to tiny clownfish, the Great Barrier Reef off the coast of Queensland, Australia, is home to an huge variety of marine life. Here are 8 incredible sea creatures divers won’t want to miss.