Many animals engage in elaborate mating rituals. For flight-ready birds, these often involve complex dance moves and peacock-like displays of grandeur. For their land-bound cousins, like the Adélie ...

Out of all the species of penguins, Adélie penguins are the most well-studied, and for a good reason. Adélies are 2 feet of confident, charismatic, yet seemingly-clumsy birds. Despite their charming ...

Hidden for nearly 100 years for being too "graphic," a report of "hooligan" behaviors, including sexual coercion, by Adelie penguins observed during Captain Scott's 1910 polar expedition have been ...

Adélie penguins in Lützow-Holm Bay, Antarctica, enjoy easy access to food and increase body weight and breeding success in ice-free summer. (Yuuki Watanabe / National Institute of Polar Research, ...

As the fervor of Fat Bear Week rages on, a different corner of the animal kingdom is in trouble: The Antarctic penguin community. Australian researchers studying Adélie penguins point to a plunging ...

Enormous grounded icebergs and an unprecedented amount of sea ice in Antarctica's Ross Sea have nearly isolated one of the continent's most populous Adelie penguin colonies, making it difficult for ...