Credit: Wikimedia Commons Penguin feathers insulate so well that staying cool can become a challenge. During warmer months or intense activity, penguins may hold their flippers away from their bodies ...

"It's incredibly energy-intensive and the birds use up to 50% of their body mass," he says. It is "probably the most ...

The plight of the emperor penguin might be more dire than previously thought. For the first time, scientists have used ...

Unstable sea ice is sending some penguins into Antarctica's frigid waters before the birds have a chance to regrow their protective waterproof feathers ...

In 2011, a retired Brazilian bricklayer named Joao Pereira de Souza found an injured penguin covered in oil near his beachside home on Provetá Beach in Ilha Grande, Brazil. Pereira de Souza cleaned ...

Penguins avoid freezing feet in sub-zero temperatures through physiological adaptations like countercurrent heat exchange, insulating feathers, and thick layers of fat. These mechanisms help them ...

Emperor penguins seem to be vanishing by the thousands during their most vulnerable period, when they must shed and regrow ...

Add Yahoo as a preferred source to see more of our stories on Google. Emperor Penguins are likely more at risk from climate change than any other air-breathing Antarctic animal [Getty Images] ...

Emperor Penguins are likely more at risk from climate change than any other air-breathing Antarctic animal Scientists have discovered that an annual event when Emperor penguins completely shed and ...