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!

Do you want to help save manta rays around the world? Take action with the Manta Trust to help conserve our ocean planet!

Founder of Ocean Defenders Alliance, Kurt Lieber helped establish California's MPA network, which protects 16 percent of state waters.

Travel the world and make your underwater dreams a reality by applying to become a 2016 Rolex Scholar.

Dreams are coming true as underwater living comes closer to reality. From an ocean sphere to a floating manta ray school, read about these cities below the surface that are diving headfirst into the future.

Whale research is nothing to sneeze at, but this aerial drone will be used to track whales around the world using their blow-hole emissions.

Want to get involved with saving the ocean and marine life? Join the Whale Shark Research Project and save the biggest fish in the sea!

Year after year, Bonaire earns the No. 1 destination for shore diving — and for good reason. See why this Caribbean island earns multiple Readers Choice Awards.