Secrets of the Penguins is the latest entry in National Geographic's Secrets of series after whales, octopi and elephants, ...

National Geographic's upcoming docuseries, 'Secrets of the Penguins,' captured a shocking encounter between a mother rockhopper penguin and giant, hungry sea lion, and PEOPLE has a first look at the f ...

Celebrate Earth Month with a look at Nat Geo's new series, "Secrets of the Penguins," and learn how Disney parks are ...