Across cities and suburbs, a curious pattern keeps turning up in aerial photos and field surveys alike: trees that stand closest to cell towers are often the ones that look the sickest. Their crowns ...

Add Yahoo as a preferred source to see more of our stories on Google. A tree with vertical branches - SandaloFilms/Shutterstock Keeping up with your lawn and garden ...

"This approach opens the door to designing trees that are fundamentally easier to train, maintain, and manage." Researchers ...

Trees can be identified in winter by observing their needles, bark, branching patterns, and buds. Distinctive bark, such as the smooth gray bark of a beech or the peeling white bark of a paper birch, ...

With the arrival of spring a few weeks ago, new buds and colors on the trees started to appear. Along with that new growth, a ...

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 ...

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 ...

In biology, phylogenetic trees represent the evolutionary history and diversification of species - the "family tree" of Life. Phylogenetic trees not only describe the evolution of a group of organisms ...