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.

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

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

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

A deep and exclusive look inside National Geographic's ambitious Secrets of the Penguins with host Bertie Gregory.

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.

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

The documentary 'Secrets of the Penguins' offers viewers a new perspective on penguins' challenges. Voiced by Blake Lively ...

The amazing thing about filming penguins in the wild, “Secrets of the Penguins” cinematographer Bertie Gregory tells Variety, is that since the big birds don’t have land-based predators ...