Search our collection of background (non-event) articles from news media, science journals and other sources.
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WINTER | 39 | |
FALL | 38 | |
SUMMER | 35 | |
SPRING | 31 |
United States | 75 | |
Canada | 24 | |
Norway | 9 | |
Russia | 8 | |
Svalbard and Jan Mayen | 4 | |
Sweden | 3 | |
Denmark | 2 | |
Greenland | 2 | |
China | 1 | |
Finland | 1 | |
Mongolia | 1 | |
Poland | 1 | |
Romania | 1 |