When the wind blew from the direction of the colony, ammonia levels spiked, sometimes reaching 1,000 times above normal ...

Penguin droppings release ammonia that forms clouds, affecting Antarctica's climate and potentially slowing warming.

In December 2022, Matthew Boyer hopped on an Argentine military plane to one of the more remote habitations on Earth: Marambio Station at the tip of the Antarctic Peninsula, where the icy ...