Antarctica's "tumbleweeds" are wind-made snowballs.
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Winter has descended on Antarctica. Even as cold and darkness blankets the bottom of the world, the region's most watched ice shelf is is continuing its epic breakdown.
Much of the Antarctic continent is threaded with rivers, pools and streams of melting drainage water, which could mean the continent is more vulnerable to climate change than previously thought.
A volcano on Antarctica's Deception Island nearly wiped out one of the continent's largest and oldest penguin populations ... not once but three times throughout history.
A new map puts Antarctica into three-dimensional perspective with an aerial view of the continent's ice, created from 250 million satellite measurements.
No, Antarctica isn't busting out the green beer for St. Patrick's Day. But a new satellite image of the continent shows strange green ice floating in the Ross Sea.
A chunk of ice covering an area larger than the state of Rhode Island is about to snap off Antarctica's Larsen C Ice Shelf.
Pine Island Glacier, the longest and fastest flowing glacier in Antarctica, has calved multiple icebergs, as can be seen in a series of photos.