The 50-pound penguin at Australia's Sea Life Melbourne Aquarium is now roughly 9 months old and losing his downy fluff in favor of adult plumage. (Credit: Sea Life Melbourne Aquarium) Explore ...

As climate change bears down on Antarctica, understanding why some penguins end up meandering so far from their natural ...

Pesto is growing his adult plumage. These new black, white, and yellow feathers are pushing out his old downy juvenile ...

A little over two months ago, San Francisco 49ers wide receiver Ricky Pearsall was shot in the chest and didn't know if he'd ...

Viral sensation Pesto the penguin is showing off a new look these days as he starts molting his baby feathers.

The viral fluffy penguin is molting his baby feathers - The fluffy chick’s chunky form is slimming down as he starts to ...