Penguins were the subject of last year's Academy Award-winning documentary March of the Penguins. The flightless birds have hit theaters once again, this time in the animated film Happy Feet.

It’s hard to resist dancing penguins, but “Happy Feet Two” may make you want to try. Though it features tens of thousands of Antarctic types toe-tapping their way across the screen ...

What keeps penguin's feet from freezing? Penguins' feet don't freeze because of the blood circulating in them. The circulatory system of a penguin's legs and feet has evolved to lose as little ...