How extreme weather leaves a lasting mark on trees and shrubs POZNAŃ, Poland — In the Arctic’s harsh borderlands, where trees wage a constant battle for survival, an international research team has ...

Trees need a certain number of warm days in their growing seasons to grow properly; otherwise, the cell walls of new growth ...

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

“I love putting a blue Christmas tree against white or beige walls, or against shades of pink, red or soft yellows. The contrast is breathtaking. These trees are also especially beautiful at ...

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

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

Heritage Victoria has approved a plan to build a 180cm tall "blue tree" sculpture on the banks of Lake Wendouree, memorialising lives lost to suicide.

Lifeguards tried to resuscitate the three-year-old after he stumbled into a waterslide landing area at the Blue Tree park in Phuket, the resort said. In a statement, the park added that the boy's ...