Dive into a bit of history in the waters surrounding this remote Antarctic island, the site of famed explorer Sir Ernest Shackleton's harrowing journey.

Climate change is threatening the Maldivian sea turtle population. This is how local resorts are teaming up to protect them.

Nudibranchs may look beautiful and delicate, but these sea slugs have some of the ocean's best defenses, making them worthy adversaries against would-be predators.

Sitting in just 30 feet of water off Panther Point in British Columbia, the Panther is a nearly 200-year-old three-masted clipper wreck teeming with marine life.

There's no bigger thrill than seeing one of your favorite marine animals in person ... in their actual habitat.

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.

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.