The best ocean documentaries you can watch on Netflix, including the Blue Planet, Mission Blue and Shark.

Go behind the scenes with the ScubaLab test teams. Take a look at these pictures of the in-water gear tests at Blue Grotto for the 2017 BC review.

Are you overweighted when you dive? We've got simple tips to shed some lead, including some gear advice.

From breaching great white sharks to electrifying cuttlefish, Justin Gilligan's underwater images are nothing short of mesmerizing.

Ever wonder why baleen whales became so colossal? Scientists have a theory.

The 360-degree photos put the sanctuaries at the palm of your hand — literally.

Divers at this famous Iceland site can touch the walls of the Eurasian and North American continental plates.

Photojournalist Mike Scott hits the Florida Keys in the seventh installment of Scott's adventures, authored by Eric Douglas.

Watch as this octopus tries to grab an underwater camera from a scuba diver's hand.