Birds lay eggs of surprising variety, and scientists have long wondered why. Could it be that certain ... hatch from eggs that are nearly round. Penguins, however, break the mold: Although the ...

It got us wondering, do penguins sweat ... documentaries have captured the extreme conditions Emperor penguins endure as they huddle against the freezing cold. They’re not exactly conditions ...

This body of work should be both original and outstanding. More than 5,000 male emperor penguins huddle on the sea ice, backs to the wind, heads down, sharing body heat. ‘It was a calm day,’ says ...