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

From diving off cliffs to starving for months, emperor penguins are continuing to surprise scientists with their ability to adapt to one of the world’s most extreme environments. LEAP OF ...

While Blake Lively narrates National Geographic’s new docuseries, Secrets of the Penguins, it’s the baby penguins that really steal the show. Lively, 37, lends her voice to the three-part ...