The fossil skull (top) of the extinct great penguin in its estimated original shape, in comparison with skulls from a king penguin (middle) and an emperor penguin (bottom). (Image credit: CC BY-NC-ND) ...

Scientists have announced the discovery of a previously unknown species of penguin. They say the penguins were giant, weighing in around 170... Fossil Of Human-Sized Penguin Found In New Zealand ...

WASHINGTON, D.C. -- Some ancient penguins may have been twice as big as today's Emperor penguin but they lacked the dashing tuxedo. Researchers unearthed remains of a nearly 5-foot-tall penguin that ...