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 ...

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.

Learn how the IUCN added emperor penguins to the Red List as climate change drives sea ice loss and could cut their population in half by 2080. If you are anything like me, you’ve watched March of the ...

Susan Rigetti is author of three books and a former editor at The New York Times and Slate. She is a contributing Globe Opinion writer. Emperor penguins have existed in Antarctica for more than 40 ...