After losing 15 trees in the past decade and eight last year, the township will cut down more hazardous maples on Powder Horn ...

Strange blue rings found in Scandinavian trees leave scientists perplexed - Rings hint at unusually cold summers in Norway between 1877 and 1902 ...

Languages: English. In the frigid landscapes of northern Norway, an unusual phenomenon etched into the rings of trees and shrubs has offered a glimpse into the Earth's climatic history.

Blue rings found in the stems of trees and bushes in Norway point to a historic cold period in the late 1800s, but the exact cause of this climatic event remains unclear, scientists say.

Taken from a tree in Norway, this stained tree sample shows a blue ring from 1902. (Credit: Pawel Matulewski and Liliana Siekacz) Human skin isn't the only thing that can change color after facing the ...

A simple blue stain could force trees into giving up their memories of cold summers and volcanic winters, a recent study ...

Dr Trujillo Moya and colleagues have continued to monitor Norway spruce trees in the mountains of Austria, allowing the team to select trees that seem to display a resistance to the disease.

The Norway maple is a medium to large deciduous tree, introduced into North America in the 1700s. Often mistaken for the native sugar maple, Norway maple leaves are typically larger and turn yellow in ...

Originating in Asia before spreading to Europe, the fungus has already destroyed more than 80% of young ash trees in Norway. The fungus penetrates the leaves of ash trees, before growing inside ...