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

The Argentinian marine biologist and conservationist has spent the past 36 years championing the world’s penguins and their ...

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

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

That's what National Geographic explorer Bertie Gregory told On ... Gregory hopes audiences walk away with a new appreciation for the world around them. "Penguins are an important part of the ...