Search our collection of background (non-event) articles from news media, science journals and other sources.
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| WINTER | 38 | |
| SPRING | 32 | |
| FALL | 31 | |
| SUMMER | 12 |
| United States | 147 | |
| Canada | 25 | |
| Russia | 14 | |
| Norway | 10 | |
| Finland | 6 | |
| Iceland | 4 | |
| Greenland | 2 | |
| Mongolia | 2 | |
| Svalbard and Jan Mayen | 2 | |
| Sweden | 2 | |
| Denmark | 1 | |
| Faroe Islands | 1 | |
| India | 1 | |
| Iran | 1 | |
| Samoa | 1 | |
| Spain | 1 | |
| Trinidad and Tobago | 1 | |
| United Kingdom | 1 |
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