Satellite photos have revealed four emperor penguin colonies previously unknown to science. During winter, colonies of thousands of emperor penguins live and breed on the frozen sea ice clinging to ...

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A rover quietly surveys the forbidding icy landscape. Suddenly, it whirrs into life: it has spotted an emperor penguin. With its antenna set to scan, the 90-centimetre-long robot trundles towards the ...

Emperor penguin populations have been exceedingly difficult to monitor because of their remote locations, and because individuals form breeding colonies on seasonal sea ice fastened to land (known as ...

Existing emperor penguin colonies and their average population sizes from 2009 to 2018. The colonieshighlighted in red represent those with available population size estimates. Colonies marked in teal ...