Can you dive again after open-heart surgery? Author Eric Douglas tells the true story of his signs and symptoms of heart disease, and his road to recovery.

Want to see sea turtles while scuba diving or snorkeling? Go to Florida, Cayman Islands and Australia! See underwater photos of these amazing animals.

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Video shows hundreds of manatees flocking to Three Sisters Springs in Crystal River Florida — it's a beautiful sight!

Despite the change in endangerment status, manatees in Florida springs and coastal waters need our help. Here's how you can take action to save these creatures!

See what happens when this manta ray "asks" scuba divers for help! Just another reason to keep debris and pollution out of our seas.

The answer is siphonophores — the glowing underwater creatures you see night diving in Hawaii and Tahiti — and they change the design of underwater propulsion.

Looking to plan the ultimate dive weekend getaway in Florida? Here's your three-day itinerary to make sure your vacation is the best one yet.

This team of divers specializes in protecting sharks — check out what happens when they're surrounded by 10 of them!