Learn more about these signs of summertime cold, perhaps tied to volcanic activity in 1877 and 1902.

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

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. Scientists have discovered ...

Scientists studying pine trees and juniper shrubs in northern Scandinavia are revealing the weather of the past by looking at tree rings — which can tell us far more than just the trees’ age. ‘Blue’ ...

These rings are not just a visual anomaly but serve as natural archives of past cold summers. Researchers studying samples from Scots pine trees and juniper shrubs on Mount Iškoras in northern Norway ...

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

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.

Inc. The lights are dimming on this year's Rockefeller Center Christmas Tree. The 11-ton Norway Spruce received a light dusting of snow on its final day before crews bring it down to be milled and ...

If you're getting fed up of dropped needles, see our guide to artificial Christmas trees. Nordmanns and Norway spruces are the most commonly available Christmas trees, with Nordmanns the most commonly ...

The iconic tree is a gift from the city of Oslo - Norway's capital city, and forms part of a longstanding tradition between the two cities going back more than 70 years. The spruce will arrive in ...

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.