Scientists studying satellite images of Antarctica accidentally made a troubling discovery about emperor penguins during their vulnerable, molting season. See why they’re worried that thousands of ...

Emperor penguins seem to be vanishing by the thousands during their most vulnerable period, when they must shed and regrow their feathers on stable ice.

"It's incredibly energy-intensive and the birds use up to 50% of their body mass," he says. It is "probably the most dangerous time for adult Emperor penguins because they haven't got their waterproof ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists have used satellites to spot the places where penguins gather to moult and replace their feathers Huge numbers of ...

Penguins are dramatically shifting their breeding season as the Antarctic peninsula warms, a recent study finds. From 2012 to ...

Huge numbers of Emperor penguins in Antarctica may have died because of melting sea ice, experts fear. For the first time, scientists have used satellites to spot the places where penguins gather to ...