A new study finds that warming temperatures are causing Antarctic penguins to breed earlier, threatening some species with extinction by century's end.

Penguins may look adorable waddling on ice, but these birds are far more complex than they seem. From deep-sea dives to ...

These are Emperor penguins. They live in Antarctica and they have long been under threat of extinction. Now, their species chance of survival has just been dealt another blow after *** mass of sea ice ...