Wildlife filmmaker Bertie Gregory curated the final selection for the "NatGeoYourShotOurHome" challenge from thousands of ...

"Secrets of the Penguins" cinematographer Bertie Gregory describes how the birds would practically "break the fourth wall" ...

These emperor penguin chicks showed extreme bravery in the new Secrets of the Penguins documentary through National ...

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

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

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

Taking a wrong turn in the coldest place on earth could cost you your life... and almost did for hundreds of penguin chicks ...

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

What particularly interested Cameron—himself a pioneer in underwater and deep-ocean filmmaking technology —were the custom ...

The documentary, made by National Geographic, is hosted by wildlife filmmaker Bertie Gregory and narrated by Blake Lively.

Executive producer James Cameron and wildlife filmmaker Bertie Gregory tell CNET how they captured never-before-seen moments ...

An early clip from this new series, narrated by Blake Lively, was viewed more than 8 million times. Here’s what it takes to get the world talking about penguins.