The only emperor penguin known to have swum from Antarctica to Australia was released at sea 20 days after he waddled ashore ...

Little penguin habitats and colonies are under threat from urban development and human activities, according to a new article ...

The data shows the adults can travel over 100km (62 miles) a day. The new penguin colonies are reported in the journal Antarctic Science, external.

This playful penguin colony is not shy ... Find out by taking the science-backed Pet Personality Test.