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) ...

The evolution of penguins is a bit of a puzzle for scientists. Did their ancestors fly or were they always confined to land and sea? More importantly, were they always the size they are now?

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 ...

WELLINGTON - The fossilized remains of a huge penguin almost the size of an adult human have been found in New Zealand's South Island, scientists announced Wednesday. The giant waddling sea bird stood ...

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 ...

NEW YORK-Fossils from New Zealand have revealed a giant penguin that was as big as a grown man, roughly the size of the captain of the Pittsburgh Penguins. The creature was slightly shorter in length ...