Search our collection of background (non-event) articles from news media, science journals and other sources.
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FALL | 39 | |
WINTER | 34 | |
SUMMER | 31 | |
SPRING | 28 |
United States | 51 | |
Canada | 8 | |
Svalbard and Jan Mayen | 4 | |
Iceland | 3 | |
Russia | 3 | |
China | 1 | |
Finland | 1 | |
Greece | 1 | |
Greenland | 1 | |
Ireland | 1 | |
Vietnam | 1 |