Just in time for Earth Day, National Geographic is dropping a frosty gem for animal lovers. Secrets of the Penguins, a ...

Explorer Bertie Gregory invites viewers behind the scenes of his two-year Antarctica trip. National Geographic invites ...

National Geographic celebrates Earth Month with some flightless, feathered friends in "Secrets of the Penguins," streaming ...

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