Penguins do not react to people the way most wild animals do. When a human appears on an Antarctic shoreline, many penguins do not scatter or hide. They keep walking. Some pause a short distance away ...

A rare all-black gentoo penguin has been spotted on Rongé Island, Antarctica. Gentoos typically sport the more traditional tuxedo penguin pattern, but in cases of leucism and melanism, they can get a ...

It's a challenge for all new parents: Getting enough sleep while keeping a close eye on their newborns. For some penguins, it means thousands of mini-catnaps a day, researchers discovered.Chinstrap ...