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 ...

The United States listed emperor penguins as an endangered species in 2022 because multiple studies project large population ...

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

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 may be facing the biggest threat to their existence so far. Shrinking sea ice means ice has been disappearing from under penguins during their moulting season ...

Scientists observed emperor penguins’ molting sites in Antarctica and found that when the ice breaks out from under them when they are without their waterproof feathers, they can become hypothermic in ...

From the icy wilderness of the Arctic to the remote corners of the South Pacific, Martin Gregus has spent nearly two decades ...