Penguins

Earth's last ice age was so cold that even Antarctica's emperor penguins had trouble with the chill, a new study finds.

Despite their tuxedo style, when it comes to enjoying food, penguins have poor taste, a new study finds.

Rovers — especially cute ones that are disguised as penguin chicks — seem to be better at spying on penguins than humans are.

Chinstraps, Gentoos, Adelies and more. These stunning penguin photos reveal the beauty of Antarctica's flightless birds.

As the glaciers melted about 15,000 years ago, warmer weather and ice-free conditions allowed king penguins to colonize the string of islands north of Antarctica, a new genetic study has found.

An unknown strain of bird flu has been evolving in Antarctica for between 49 and 80 years, researchers report. Fortunately, the disease is not very deadly, nor can it take hold in mammals.

When under the influence of stress hormones, male Adélie penguins are less vigilant with their chicks compared to parents with lower levels of stress hormones.