When snow falls on the ice sheet, where subzero temperatures ensure it doesn’t melt. Antarctic temperatures regularly reach ...

For more than 60 million years, penguins of all kinds—including the opportunistic Magellanic penguin—have been driven by an evolutionary urge to reach beyond their boundaries. Today, many are ...

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The aging Coast Guard icebreaker moored itself for the long winter night at the sea ice edge in the Weddell Sea off the eastern coast of the Antarctica Peninsula.