For "Earth Day", the National Geographic documentary series "The Secret World of Penguins", produced by Oscar winner James ...

A one-foot-long baby squid was spotted swimming in the waters around the South Sandwich islands. The footage is unprecedented ...

Secrets of the Penguins cinematographer, Bertie Gregory, shares the memorable moment he filmed baby penguins leaping from a 50-foot cliff with PEOPLE.

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 ...