Nat Geo Explorer Bertie Gregory talked to us about what it was like to capture never-before-seen video of baby emperor penguins diving off a 50-foot cliff.

Emperor penguins are a well-known species found only in Antarctica. These resilient creatures can survive even the harshest ...

A baby emperor penguin emerges from an egg kept warm in winter by a male, while the female in a breeding pair embarks on a two-month fishing expedition.

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 ...

The emperor penguin is the heaviest and largest of the penguin species and is listed on the International Union for Conservation of Nature and Natural Resources’s Red List as near threatened ...

Emperor penguin populations in Antarctica may be declining faster than the most pessimistic predictions, according to a new analysis of satellite imagery.