Penguin poop is stinky but useful. In Antarctica, the birds’ nutrient-rich guano allows mosses and other organisms to flourish in an otherwise inhospitable place. And, since poop stains on the ...

An Adélie penguin photographed with a remote camera at Cape Crozier, Ross Island, Antarctica. Chris Linder Broken sea ice stretches to the shore of Ross Isalnd. Behind it is Mt. Erebus ...

On an expedition in Antarctica, Conor Ryan of Scotland documented Adélie penguins, whose population is declining as temperatures rise. Natnattcha Chaturapitamorn, of Bangkok, journeyed to Disko ...

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 ...

Scientists have used ancient DNA to help reconstruct 6,000 years of penguin history at the South Pole. The researchers found that Adélie penguins had taken over the habitat of southern elephant ...