Surrounded by crowds, those penguins kept waddling on the path. One by one, some ran, some jumped, some wandered; they went ...

Ahead of Earth Day, a sneak peek for National Geographic's The Secrets of the Penguins is revealed. Watch it here!

The world’s oldest penguin has celebrated her 37th birthday with a cake made of fish and ice. Humboldt penguin Spneb has ...