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.
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.
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.
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.
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.