Search our collection of background (non-event) articles from news media, science journals and other sources.
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| SUMMER | 81 | |
| WINTER | 74 | |
| FALL | 70 | |
| SPRING | 66 |
| United States | 131 | |
| Canada | 18 | |
| Norway | 9 | |
| Russia | 6 | |
| Greenland | 4 | |
| Japan | 3 | |
| Mexico | 3 | |
| Svalbard and Jan Mayen | 3 | |
| Iceland | 2 | |
| Nigeria | 2 | |
| Australia | 1 | |
| Cocos Islands | 1 | |
| Ecuador | 1 | |
| French Polynesia | 1 | |
| Greece | 1 | |
| India | 1 | |
| Solomon Islands | 1 | |
| Vietnam | 1 |
Observations From Members