Contest yields a stunning array of pictures of nature in action.
Members of the smallest penguin species may even synchronize their movements during foraging trips.
Foot bones more than 40 million years old, from Antarctica, reveal a creature standing more than 6 and a half feet tall.
Deadbeat-penguin dad abandons his incubation duties, and in step Jumbs and Kermit.
The latest version of the virus is unlike any other seen on Earth.
Some miserable Humboldt penguins, unaccustomed to so much rain, might get a lift from an antidepressant.
Penguin-chick mortality rates have increased in recent years off the coast of Argentina — a trend scientists attribute to climate change.
Maintaining a massive huddle of thousands of penguins may sound simple, but sticking together in a pack so large turns out to be quite complicated.
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