These images from the Smithsonian Magazine Photo Contest show just why penguins have waddled into our hearts ...

While it’s true that the continent and its surroundings hosts seven species of penguins, including the emperors or the Adélies, 11 of the other penguins of the world are actually found outside ...

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 ...