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

PARIS: Emperor penguins shed all their feathers once a year, a precarious ritual that may have become deadly as climate ...

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

The birds' already risky molting strategy—in which they shed and regrow all their feathers at once—is becoming even more hazardous due to climate change ...

Animals that are higher up the food chain, such as penguins, are especially vulnerable to changes in the environment.

Emperor penguin in its mid-molting phase. Emperor penguins have survived Antarctica's punishing climate for thousands of years thanks to their biological reset: an annual molt that replaces their worn ...

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 ...

Longer summers are allowing more king penguin chicks to bulk up and survive the winter, but the penguins' main fishing area is shifting further away as temperatures rise ...

A chance discovery by British Antarctic Survey scientists has revealed a troubling threat to the survival of emperor penguins. The Madingley-based researchers were examining satellite images when they ...