Researchers found a hidden mathematical rule in tree-like art. Branch thickness follows a predictable ratio, making trees recognizable.

Yet only “Gray Tree” has scale-invariant branch diameters. When Mondrian removes the scale invariance in “Blooming Apple Tree ...

It seems fitting that Nebraska, which has chosen the cottonwood as its state tree, would have the largest one in the United ...

Tree removal typically costs between $300 and $3,000, with an average price of around $750 to $1500 per tree. The size of the tree is a major determinant of price, with larger trees generally costing ...

This oak tree has stood in this very spot since long before he or I walked the Earth. It is early winter when MacKenzie, an atmospheric scientist and director of Birmingham University Institute ...