Penguins in the coastal steppes of Argentina have a new enemy to worry about: the increasing numbers of pumas in Monte León ...

A recent study published in Proceedings of the Royal Society B has documented an unprecedented ecological interaction in ...

In a national park in Patagonia, something remarkable is happening between predators and prey: Pumas are returning—and ...

Back in the 1930s, an ill-advised plan was hatched to keep a living penguin at the Little America hotel in southwest Wyoming.

A natural experiment in a national park in Patagonia shows how the return of a large predator can reshape an ecosystem.

A short ocean video has suddenly caught everyone’s attention online. People are sharing it again and again because it shows a ...

Pumas in southern Patagonia have discovered an unexpected new food source in the dense colonies of Magellanic penguins, and ...

A new study finds Patagonia pumas eating penguins, staying near colonies, tolerating each other more, and reshaping how ...

A dramatic video showing a pod of adult orcas, better known as killer whales, chasing a lone penguin has gone viral on social ...

A Galapagos penguin was not content to be merely observed by divers, with hilarious footage showing the plucky waterbird aggressively checking out human intruders in waters off the Galapagos Islands.

On the final day of 2010, Pittsburgh was the capital of the hockey universe. One of the NHL’s tentpole events, the Winter ...