From the iconic emperor penguin to the Magellanic penguin, these striking photos capture the beauty of the aquatic birds.

These birds live primarily in the Southern Hemisphere, including species like the Adelie penguin along ... likely involved in unique penguin physiological adaptations. They show gene mutations ...

The foul stench of penguin poop sets Antarctic krill on edge. In lab experiments, the mere scent of penguin droppings — or guano — sent krill scrambling for escape, researchers report March 20 ...

Archaeologists amassed over 100 sediment samples in Antarctica to trace the history of Adélie penguins 6,000 years into the past, providing a vivid snapshot to help climate change efforts.

Today is World Penguin Day, a special day in which the Adelie penguin supposedly begins its annual northward migration to Antarctica. In celebration, here are five fabulous facts about these ...

Picture: Peter Harmsen/Australian Antarctic Division Poo, or guano, from Adelie penguins was collected and fed into man-made water channels against seawater with algae, or both algae and guano.

Imagine looking at the world through the stalked compound eyes of krill in the Southern Ocean. All of a sudden, a penguin appears like a voracious giant, streamlined like a torpedo, chasing and ...