"It's incredibly energy-intensive and the birds use up to 50% of their body mass," he says. It is "probably the most dangerous time for adult Emperor penguins because they haven't got their waterproof ...

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

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

Cold-climate animals are remarkably adaptable creatures, specialized for survival in some of the harshest temperatures in our ...

Researchers scanning satellite images of West Antarctica stumbled onto clusters of emperor penguins gathered on fast ice to ...

Emperor penguins shed all their feathers once a year, a precarious ritual that may have become deadly as climate change pushes them into shrinking patches of Antarctic sea ice, researchers said ...

When scientists look at the effects of a warming planet on wildlife, the news is almost universally grim. Animals and plants ...

Emperor Penguins in a snow storm in Antarctica.© Ian Duffy from UK, CC BY 2.0, via Wikimedia Commons Even when temperatures drop below zero degrees Fahrenheit in the frigid Antarctic, emperor penguins ...

The annual "catastrophic" molt of the emperor penguin makes the birds especially vulnerable to climate change. Peter Fretwell / British Antarctic Survey Emperor penguins are uniquely adapted to life ...

Penguins are far more resilient and complex than their playful image suggests. They endure extreme cold, exhausting journeys, packed breeding colonies, and declining food sources through a mix of ...

Emperor penguins shed all their feathers once a year, a precarious ritual that may have become deadly as climate change pushes them into shrinking patches of Antarctic sea ice, researchers said ...