This hidden Florida state park surprises visitors with sugar-white sand, emerald Gulf water, towering dunes, and rare coastal dune lakes. It's almost unreal.

A U.S. Coast Guard rescue swimmer has died after being injured while on a medical evacuation mission off the Washington coast.

Robotic and autonomous underwater vehicles have collected vast quantities of footage from the deep sea, but most of it hasn’t ...

The investigative minds at How to Survive look at the massive water pressure at 60 meters deep and the specialized breathing techniques divers use to avoid "the bends." ...

Leatherback turtles are unusual among reptiles because they are able to keep their bodies warmer than the surrounding ocean water.

Whether you’re in the mood for a boutique tent at Boschendal, a beachfront soak in St Helena Bay, or a quiet pod above ...

New footage shows a massive southern sleeper shark gliding through 34-degree Antarctic water at 1,640 feet deep.

The Raja Ampat islands in Indonesia's Southwest Papua province are a marine biodiversity hotspot and a divers' paradise.

Monterey Bay Aquarium biologists, who plunged a remotely operated vehicle almost 1,600 feet underwater during a research cruise in January, encountered what could be a young glass squid. Little to no ...

From fantasy photoshoots in the Maldives, to kelp forest "strolls" along California's Catalina Island and Taiwan's luxe hotel swims, swimming in a tail is different wherever you do it.

The 'off-grid' period is a sacred rite of passage in rock history: a moment when the machinery of fame becomes so loud that ...

A photographer captured this extraordinary site where whales' bodies lie in the shallows, with troubling repercussions for the deep oceans.