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Crater Lurks Beneath the Ice
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Published December 2, 2018
The Hiawatha Impact Crater in northwest Greenland was detected through some creative detective work and innovative instruments that can see through the ice.
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Polar Sea Ice at Record Lows
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Published March 23, 2017
In 2017, the Arctic maximum and Antarctic minimum extents of sea ice plunged to record lows.
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An Emerald Vortex
Published February 23, 2017
Fast-growing duckweed can leave swirls of green in Venezuela’s Lake Maracaibo.
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Hurricane Nicole’s Cold Water Wake
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Published October 19, 2016
Hurricanes feed off of warm ocean surfaces, consuming the heat and dragging up cool water from below.
Arctic Sea Ice Minimum Ties Second Lowest on Record
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Published September 16, 2016
Since satellites began monitoring sea ice in 1979, researchers have observed a decline in the average extent of Arctic sea ice in every month of the year.
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