It was just a few months ago that Australia's beloved Pesto the Penguin went viral for weighing nearly 50 pounds at just 9 ...

A penguin’s cute exterior is equally matched to its friendly disposition. As a species, penguins are rarely aggressive and ...

These extraordinary birds, the largest of all penguins, face extraordinary pressures. Most ominously, the rapid acceleration of global warming is causing profound changes in the Antarctic ecosystem ...

Yet this extraordinary bird faces new and extraordinary pressures — most ominously, the rapid acceleration of global warming. And the emperor is not alone: More than half of the world's 19 penguin ...

The mannerly etiquette of this adorable penguin was filmed while a couple were on an expedition in the Antarctic Peninsula.

The vast ice fields of barren whiteness stretch toward the horizon, creating one of the most isolated environments on the ...

Here are some of the cutest animal stories in ... He was introduced to fans on January 8. The penguin, which has been named Alex, the first of that species born in Mexico under human care.