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

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.

Homeowners often choose willow trees due to their high water tolerance, but there are other water-loving trees to try. River ...

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

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’ ...

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 ...

How extreme weather leaves a lasting mark on trees and shrubs POZNAŃ, Poland — In the Arctic’s harsh borderlands, where trees ...

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 ...

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 ...

Winter isn't all bad – these "sublime" landscapes of the frozen North from the turn of the 20th Century offer us a way into ...

The tree, a Norway Spruce that stands 82 feet tall, is set to be recycled for furniture and landscape mulch, according to a Sundance Square spokesperson. Larger sections of the tree's trunk will ...