Here's who is legally responsible for overhanging branches, fallen limbs, leaves and more.

A beetle that lays eggs inside the bark of trees has killed six baobab trees in Oman for the first time. Urgent measures are ...

Scientists are investigating the reasons some plants still wear last season’s tattered clothes.

Leaf marcescence is when trees hold onto their dry leaves through winter, protecting buds and enriching the soil come spring.

If neglected, mistletoe infestations can overwhelm trees and almost literally suck the life out of them. There is no perfect treatment, but with persistence, it can be minimized, writes columnist Bill ...