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

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

When scientists look at the effects of a warming planet on wildlife, the news is almost universally grim. Animals and plants are falling out of sync with each other. Ecosystems are fraying. Coral ...

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

Researchers scanning satellite images of West Antarctica stumbled onto clusters of emperor penguins gathered on fast ice to molt, a seasonal process in which the birds shed and regrow their feathers.

Add Yahoo as a preferred source to see more of our stories on Google. Emperor Penguins in a snow storm in Antarctica.© Ian Duffy from UK, CC BY 2.0, via Wikimedia Commons Emperor penguins survive ...

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 ...

The tall black-and-white residents of Antarctica, who waddle around its icy landscape, are in peril thanks to the rapidly ...

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

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 ...