Would you like to help raise money for marine-conservation research? REEF, a grassroots organization that aims to protect marine ecosystems, is accepting donations.

A showcase of images from photographer Judy G of the marine creatures in her home waters off British Columbia, Canada.

How can you protect the world's oceans? Project AWARE provides tips that help answer this question.

Want to help protect sharks and manta rays? A Sea Save Foundation petition, which you can sign now, aims to do just that.

Check out how some of our favorite critters "celebrate" Valentine's Day below sea level.

In the Philippines, a diver captures a hungry sea turtle chowing down on its latest meal.

For many divers, the Liberty is a main attraction of Bali diving, and for good reason. The wreck is home to a staggering array of marine life.

A live-aboard dive trip to Mexico’s Socorro Islands resulted in a life-changing encounter with Pacific manta rays for this underwater photographer.

A great white shark expedition takes a playful turn with some Australian sea lions.