When survival is the goal, greater security comes with numbers. Here, we're taking a closer look at schools and shoals—plus, we'll tell you how to capture the best underwater photos.
Moon jellyfish drift en masse between surface and reef. Read about one diver’s secret spot in Jupiter, Florida, where you’ll find moon jellyfish galore.
Of the nearly 700 photos submitted in 2013's Through Your Lens Underwater Photo Contest, _Scuba Diving_ received some great turtle photos. Come check out our readers' best images!