The trunk might be the most neglected part of a tree. Leaves get the most attention, followed by the roots. But a trunk should not be taken for granted as it must be sturdy and healthy for the rest of ...

Cut into the trunk of a pine tree, and you will see a familiar series of concentric rings, each corresponding to a season of growth. But not all stumps tell the same story. A study published in ...

The newly discovered tree would have supported a wide crown of leaves over a narrow trunk, scientists say. Tim Stonesifer Scientists in Canada have discovered a 350-million-year-old tree fossil that ...

Add Yahoo as a preferred source to see more of our stories on Google. A pollarded willow tree - Thierry Hebbelinck/Getty Images Trees undoubtedly go through a number of changes, some of which are ...