Approach every pruning situation by assessing the need for a professional arborist. Leave these tasks to the professionals who have both the equipment and advanced training for tricky pruning jobs.

Leonardo da Vinci’s sketch of a tree illustrates the principle that combined thickness is preserved at different stages of ramification. The math that describes the branching pattern of trees in ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Trees depicted in ...

Keeping up with your lawn and garden can feel like a full-time job. It always seems that something needs to be done — whether it's mowing the lawn, applying one of the best organic fertilizers to your ...

Squirrels, insects and lightning strikes may be the reason for dead tree branches. Pruning the dead branch will solve the problem in most cases. This has been a long, hot, wet summer and soon fall ...

Terrestrial laser scanning data show that trees move their branches in a diurnal pattern, settling down for the night -- as if falling asleep. Changes in the water status of leaves and branches causes ...