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.
Marine Life
The Coral Restoration Foundation is extending its work in coral propagation beyond Florida and Bonaire.
Want to add a little adrenalin to your diving? See if you're ready for the challenge to dive the world's fastest tidal current: Saltstraumen in Norway.
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.