Search our collection of background (non-event) articles from news media, science journals and other sources.
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| FALL | 28 | |
| SUMMER | 23 | |
| SPRING | 20 | |
| WINTER | 10 |
| United States | 33 | |
| Canada | 10 | |
| Russia | 10 | |
| Norway | 4 | |
| Japan | 2 | |
| Australia | 1 | |
| Cocos Islands | 1 | |
| French Polynesia | 1 | |
| India | 1 | |
| Svalbard and Jan Mayen | 1 | |
| Sweden | 1 | |
| United Kingdom | 1 | |
| Vietnam | 1 |
Observations From Members