Scientists studying pine trees and juniper shrubs in northern Scandinavia are revealing the weather of the past by looking at ...

Volcanic eruptions and cold summers leave lasting marks in the wood of northern trees, unlocking the secrets of past climate extremes.

In order to grow properly, trees need an adequate period of warmth during their growing seasons; otherwise, the cell walls [… ...

Blue growth rings in woody plant stems indicate years when cells failed to lignify properly due to summers that were too cold ...

Ancient whitebark pine trees emerging from 5000-year-old ... it is likely that trees and woody shrubs and plants will move upslope." This could change the fire dynamics in the region, said McWethy ...

In Norway, scientists have found blue rings in trees that hint at how volcanic eruptions disrupted growth throughout history.

Through the years, I have often been asked what is your favorite season to be in the woods? I always respond the fall when I ...

Overall, only 2.1% of the pine trees' rings and 1.3% of the juniper shrubs' rings were blue; the cells which hadn't lignified properly were mainly found at the end of growth rings, in latewood ...