Polar

sunrise overlooking Arthur’s Harbor on the south-west coast of Anvers Island in the Palmer Archipelago of Antarctica

A late seasonal sunrise overlooking Arthur’s Harbor on the south-west coast of Anvers Island in the Palmer Archipelago of Antarctica. The U.S. Antarctic Program is managed by NSF.

Credit: Randall Rhodes/USAP

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Tutakoke River

Tutakoke River

Credit: Ryan Choi

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Sunset at Palmer Station

Sunset at Palmer Station, Anvers Island

Credit: Kelly Jaques

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Arctic sunrise

NSF funded an Arctic research cruise aboard the R/V Sikuliaq in September 2016 with scientific teams from Oregon State University and the Virginia Institute of Marine Science.

Credit: Kimberly Kenny

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Castle Rock, a natural geologic landmark near McMurdo Station in Antarctica

Castle Rock, a natural geologic landmark near McMurdo Station in Antarctica

Credit: Joshua Swanson; Source: U.S. Antarctic Program photo library

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Antarctic

A lone tent lies beneath the nighttime sky above the Antarctic Peninsula.

Credit: J. Meng, American Museum of Natural History

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glaciers

Glaciers converge on northeast Baffin Island in the Canadian Arctic. The ice rivers are revealing insights into what caused Earth’s Little Ice Age more than seven centuries ago.

Credit: Gifford H. Miller, INSTAAR, University of Colorado Boulder

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