"It was so much bigger than what you would expect," Kori Garza said. Earth's oceans are full of big surprises -- something Kori Garza knows better than most. The marine biologist has been on thousands ...

On Day 77 at sea, the survival journey takes a dramatic turn with the appearance of a massive tiger shark near a remote island. This intense encounter highlights the raw power of the ocean and the ...

Off Norfolk Island in the South Pacific, tiger sharks grow an average of two feet longer than those on the Great Barrier Reef. We've only started unraveling the mystery. Scientists have tracked the ...

Costa Rica's Fire Department said it rescued 48-year-old Mauricio Hoyos from the attack and carried him on a 36-hour journey from Cocos Island.