Why Florida Sea Turtles Are Turning Into “Chilly Popsicles” During a Rare Cold Snap
A rare Florida cold snap left hundreds of juvenile sea turtles cold-stunned in shallow lagoons, prompting a rapid rescue and rehabilitation response that offers a rare look inside the delicate, hands-
Sea Otter Conservationist Chanel Hason Named July '25 Sea Hero

Learn more about how one rescue diver–turned-conservationist is working to bring a thriving sea otter population back to the Oregon coast.

Best Destinations for Healthy Marine Life

We asked, and our readers told us: These three locations earned top marks for their healthy marine life, something every diver wants when they splash down.

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Recent Articles

3 Nearshore Habitats to Dive

When most people think of scuba diving, they imagine the vast, deep blue open ocean, a topical coral reef or perhaps a jungle-like kelp forest. While those more commonly explored waters certainly have their magic, nearshore dives offer a unique and captivating experience that's not to be missed.

Getting to Know Greenland's Frosty Critters

West Greenland is where letters to Santa wind up every year, but it's not in some workshop where you'll find the magic. The real gifts are below the water's surface.

The Power of Alaska's Salmon Forest

Every year, spawning salmon return to the same spot in Alaska as a part of their final act—here's what happens

The Enduring Anemone-Clownfish Connection

There's much more to the relationship between an anemonefish and a giant sea anemone than a sense of camaraderie. Here's how they keep each other alive.

Saving Indonesia's Endangered Sharks

Scalloped hammerhead sharks and wedgefish are facing extinction, partly due to being caught and sold for their fins. This program gives local fishermen incentive to set those species free.

Exploring the Falkland Islands' Flourishing Kelp Forests

On a recent expedition aboard the National Geographic Endurance, one diver explores the lush biodiversity in the Falkland Islands' surrounding waters.

Why Do Fish Travel in Schools?

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.