Pumas returning to Patagonia have begun hunting mainland penguins that evolved without land predators. Scientists estimate ...

While pumas have killed thousands of Magellanic penguins in Patagonia, predator pressure alone is unlikely to drive the colony to extinction.

Should we protect an emblematic species if it may come at the cost of another one—particularly in ecosystems that are still ...

Over a span of four years, more than 7,087 penguins were killed by pumas, which is approximately 7.60% of the adult ...

Pumas are back in Patagonia, penguins are paying a price—but climate-driven breeding failures may be the real extinction risk ...

Many people assume penguins live at both ends of the Earth. In reality, the Arctic has none. The explanation lies in geography, evolutionary history, and the rules of island biogeography. Continental ...

The Pittsburgh Penguins look like a different team. Less than a week ago, they jettisoned frustrating forward Kasperi Kapanen through waivers on Saturday. By Wednesday afternoon, they might look ...

PITTSBURGH --The Pittsburgh Penguins didn't show their championship mettle during their 5-3 win against the Nashville Predators in Game 1 of the Stanley Cup Final at PPG Paints Arena on Monday. They ...

PITTSBURGH --Pittsburgh Penguins goalie Matt Murray picked up where he left off in June. In a Stanley Cup Final rematch, Murray made 26 saves to help the Penguins shut out the Nashville Predators 4-0 ...

A new study shows Antarctic penguins are breeding earlier. This may signal broader ecosystem changes driven by climate change.