Seeing blue dots, red Xs, orange circles and purple bands on trees and wondering what they mean? Here's what we found out ...

In a forest near the town of Gryfino, Poland, there are 400 pine trees with unusually curved trunks. The trees’ trunks take a sharp, 90-degree turn and then curve to form a shape resembling the letter ...

A reader asked the following questions about trees. No. 1: When hiking, I often see what appear to be several trees growing from a central trunk. What causes this? No. 2: At a local park an oak tree ...

Fifty-million years ago these rocks were trees and this Arctic tundra was a steamy swap. Ellesmere Island, high in the Canadian Arctic, is only 800 miles from the North Pole. 50-million years ago, the ...

Experts from the Natural History Museum of the Lesvos Petrified Forest began work to preserve and showcase a massive ...