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VIDEO Great White Shark Surprises Scuba Divers

Not many people can say they've been diving out of a cage with great white sharks. These divers had a special encounter with one while diving off Catalina Island, California.

Do Fish Play? Evidence Says, Maybe

New scientific evidence suggests that fish like to play in the same way that puppies, humans and other species do. Further studies are needed to confirm the hypothesis.

Hiroshi "Kuma" Sato Named January Sea Hero for Conservation Work

Founder of Sanriku Volunteer Divers, Hiroshi Sato is committed to cleaning natural-disaster debris, leading seaweed restoration efforts and training the next generation of mission-driven divers.

World’s Largest Known Manta Ray Population Found Off Ecuador

Observations and photos donated by visiting scuba divers helped researchers estimate the record population around Isla de la Plata.

Challenger Space Shuttle Debris Discovered in Atlantic Ocean

History Channel documentary divers and crew searching for WWII-era aircraft wreckage found the debris in May. NASA has confirmed it is a part of the Challenger space shuttle.

Landmark New Shark Protections Will Let Countries Regulate the Shark Fin Trade

The international trade of nearly 100 shark and ray species—including those most commonly used in shark fin soup—can now be regulated after a landmark global vote in Panama.

Five Books About Shipwrecks and Their Explorers

Discover Great Lakes shipwrecks, experience a real-world treasure hunt, uncover the life of the Titanic after she sank and more with these titles.

Mermaids Save Distressed Diver From Drowning off of California's Catalina Island

Three women midway through a PADI Advanced Mermaid Training saved the life of a diver in distress.