For "Earth Day", the National Geographic documentary series "The Secret World of Penguins", produced by Oscar winner James ...

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

A visually stunning series on National Geographic highlights the cooperative strategies penguins use to survive harsh ...

These birds have evolved to withstand the equatorial sun and shelter in volcanic rocks along a subtropical coastline. After ...