When the sun sets, the ocean comes alive with a whole new world of marine life. Here's what you can expect—and how to prepare your camera.
Marine Life
After sea star wasting disease wiped out more than 90 percent of the ocean's wild sunflower sea star population, divers brave the cold Alaskan waters to find traces of the remaining population.
In this edition of “Ask a Marine Biologist,” Dr. David Shiffman discusses a challenging environment for marine life.
On a late-night dive in Sitka, Alaska, two divers encounter myriad fascinating creatures, including a giant Pacific octopus on the prowl.
Discover how to ethically (and legally) swim with wild dolphins.
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.
Great whites get all the glory, but bottom-dwelling sharks bring plenty to the table. Here, we're looking at some of our favorite seabed shark species.
The nonprofit Orgcas is making major strides in shark conservation through science, communication, education and local tourism with the help of local fishermen.