6 days ago · Paleobotanist Jack A. Wolfe of the United States Geological Survey at Menlo Park, California, has found a number of tropical rain forest fossils along the eastern Gulf of Alaska. These …

6 days ago · The Klukwan giant belies the belief that trees tend to get smaller the farther north one goes. Both balsam poplar and cottonwood have value for fuel wood, pulp and lumber.

6 days ago · Why take a chance with exotics, when native trees have proven their ability to survive? Several reasons prompt testing of foreign tree species. Human activities often create and maintain …

6 days ago · Granted, not all trees exhibit the same twist, but the majority of them do. The phenomenon can be likened to the claim that water will always spiral out of a drain in a counter-clockwise direction …

Feb 19, 2026 · The hardiest trees rely on physics more than on chemistry to make it through the winter. When the seasonal chill begins to reach black or white spruce, for example, the sap leaves their …

Feb 26, 2004 · The result was an area the size of Connecticut in which spruce trees died en masse, giving the forest ecosystem a makeover from which it won’t soon recover. Now, most of the beetles …

Nov 14, 1990 · The elderly trees still produced seeds, but none of the seeds gerrninated, even when carefully tended under ideal nursery conditions. It was tempting to think the old trees were incapable …

6 days ago · By late winter, intricate buildups of hoarfrost crystals have formed on wooden poles and other objects. Warming rays of the sun cause evaporation of whatever frost may have formed on the …

6 days ago · Spruce trees planted on the islands by the Russians in 1805 are doing just fine and reseeding themselves naturally, although the total tree population hardly amounts to a forest.

6 days ago · A swath of dead, tilted and broken trees now makes obvious the trace of the Fairweather fault that broke in July 1958 to devastate Lituya Bay and nearby parts of southeastern Alaska. …