Masters of disguise, the leafy sea dragon is one of the trickier ocean critters to spot. Here's why these mythical-looking animals dazzle us—and how to take the perfect photo.
Marine Life
Two divers freed a shark snared by a fishing hook to the seafloor off the coast of Australia.
With careful planning and a bit of luck, some divers get the chance to see hundreds or even thousands of rare animals underwater at once.
Divers witness a life and death melee in the waters of Monterey during the annual squid mating aggregation.
This professional cave diver treks through the remote Canadian Territory of Nunavut to scuba dive with the greatest predator in the Arctic.
