"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 ...

With 40 species of wild cats, seven of which inhabit North America, many people will not have the opportunity to see all the big cats in the world. Notably, the Siberian, or Amur tiger, native to ...