Ammonia volatilized from penguin excreta is a significant nitrogen source in Antarctic ecosystems, influencing climate through new particle formation (NPF). Freeze-thaw events can trigger ammonia ...

The iconic emperor penguin and the Antarctic fur seal are edging closer to extinction, according to a projection by the world's largest environmental network. The International Union for Conservation ...

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 ...

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 ...

With their charming waddles, heat-conserving huddles and tuxedo-like plumage, emperor penguins are among the world's most recognizable animals. Recent satellite surveys estimate that hundreds of ...