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Iceberg Closes In on South Georgia
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Published December 14, 2020
Antarctic iceberg A-68A has drifted menacingly close to a remote island in the southern Atlantic Ocean.
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The River of No Return
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Published July 22, 2020
The Salmon River in Idaho, one of the longest free-flowing rivers in the United States, rushes through a geologic wonderland of wooded ridges, eroded bluffs, and stone towers and crags.
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Virginia’s Volcanic Past
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Published October 14, 2019
A small volcano erupted in the Shenandoah Valley 48 million years ago.
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Warm Winds Trigger Melting in Antarctica
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Published April 11, 2019
Unusual late-season events could produce long-term changes to the snowpack on the Larsen C ice shelf.
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A Surprising Surge at Vavilov Ice Cap
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Published April 8, 2019
An outlet glacier in the Russian High Arctic has scientists rethinking how rapidly glaciers in cold, dry areas can move.
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