There are many poorly understood links in the food web, often referred to as trophic relationships. Out in East Antarctica, a ...

Penguins, it seems, can't really taste their dinners. They aren't able to pick up on sweetness, bitterness, or a meaty flavor known as umami, a study finds. Instead, they can only taste sourness and ...

But their free-eating diets and limited physical activity contribute to a disruption of life rhythms, such as circadian ...

Get the story behind these social penguins who breed during the harshest time of year in the most inhospitable region on Earth.