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

Beachgoers set up a parasol to protect an injured penguin from the sun on a beach in Argentina on Monday 5.Footage taken by ...

Wildlife conservation efforts in the Patagonia region of Argentina have been so successful that rebounding populations of pumas have found an unexpected new main source of prey: Magellanic penguins.

Penguin colonies are declining worldwide; explore their adaptations, threats, and what their struggle tells us about Earth’s ...