A glimmer of hope has emerged for Britain's beloved ash trees. According to a new study published in Science, some wild ash ...

OAKLAND (KPIX 5) -- There's new color in the East Bay Hills but they are not fall colors. The changing leaves may be the result of a mysterious and deadly tree fungus attacking acacia trees all ...

We visit an orchard where researchers are breeding Chestnut trees they hope will one day fight off a fungus that's been killing the iconic American tree for more than a century.

From the SUNY College of Environmental Science and Forestry American elm trees (Ulmus americana) were once very common as forest and landscape trees in the eastern U.S. Their graceful vase shape and ...

If this fungus is growing against the base of a tree, it can be a sign of a serious problem, especially if the tree trunk is emerging out of the ground as straight as a telephone pole. That would ...

Ash dieback, which was first seen in the UK in 2012, causes leaf loss and crown dieback and can lead to tree death, with fears it could wipe out up to 85% of Britain’s native ash trees, as they ...