Discover 10 amazing birds that swim as well as—or better than—fish. From penguins to puffins, meet the avian experts of the ...

For many years, I had no idea that there was a difference between a penguin and a puffin. I learned to love penguins in movies like Happy Feet and Mr. Popper’s Penguins. Not to mention the mischievous ...

A penguin’s cute exterior is equally matched to its friendly disposition. As a species, penguins are rarely aggressive and lean more curious. Around humans, a penguin can be observant, unbothered, and ...

The Pittsburgh Zoo & Aquarium has introduced Humboldt penguins and brown pelicans to its Kids Kingdom exhibit, marking an exciting expansion of its avian residents. PHOTOS: Pittsburgh Zoo welcomes ...

Close relatives of emperor penguins lived in New Zealand some 3 million years ago. What caused their extinction?