Search our collection of background (non-event) articles from news media, science journals and other sources.
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| SUMMER | 297 | |
| FALL | 243 | |
| WINTER | 217 | |
| SPRING | 206 |
| United States | 359 | |
| Canada | 104 | |
| Russia | 36 | |
| Norway | 20 | |
| Iceland | 17 | |
| Finland | 8 | |
| Greenland | 8 | |
| Svalbard and Jan Mayen | 8 | |
| Sweden | 6 | |
| United Kingdom | 6 | |
| Australia | 3 | |
| Japan | 3 | |
| Mexico | 3 | |
| Mongolia | 3 | |
| China | 2 | |
| Czech Republic | 2 | |
| Denmark | 2 | |
| Greece | 2 | |
| Nigeria | 2 | |
| Ukraine | 2 | |
| Afghanistan | 1 | |
| Antarctica | 1 | |
| Cape Verde | 1 | |
| Cocos Islands | 1 | |
| Ecuador | 1 | |
| Estonia | 1 | |
| France | 1 | |
| Guatemala | 1 | |
| Honduras | 1 | |
| India | 1 | |
| Nepal | 1 | |
| Pakistan | 1 | |
| Puerto Rico | 1 | |
| Romania | 1 | |
| Saint Vincent and the Grenadines | 1 | |
| Solomon Islands | 1 | |
| Spain | 1 | |
| Switzerland | 1 | |
| Vietnam | 1 |
Observations From Members