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 ...

Research has estimated that almost 6 million Adélie penguin live in East Antarctica, more than double the previous count. The jump in population is to due a new counting method that took into account ...

The foul stench of penguin poop sets Antarctic krill on edge. In lab experiments, the mere scent of penguin droppings — or guano — sent krill scrambling for escape, researchers report March 20 in ...