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

“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 ...

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 ...