Swimming with bull sharks: Cuba’s underwater tourism bet | CNN

Playa Santa Lucía, Cuba CNN  —  The shark turns and swims directly at me. There is…

The Australian teenager on a mission to protect ragged-tooth sharks | CNN

CNN  —  With a menacing grin, needle-like teeth, and a sharp pointed snout, a gray nurse…

Billions of snow crabs have disappeared from the waters around Alaska. Scientists say overfishing is not the cause | CNN

CNN  —  The Alaska snow crab harvest has been canceled for the first time ever after…

Shark attacks, jellyfish stings and 28 hours floating at sea: This is how three boaters survived | CNN

CNN  —  Three boaters clung to a makeshift raft of ice chests and fended off shark…

Colorado’s state fish swims back from brink of extinction | CNN

CNN  —  The greenback cutthroat trout, Colorado’s state fish, was declared extinct over 50 years ago.…