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

The disease, caused by the invasive fungus Hymenoscyphus fraxineus, has wiped out millions of trees across the United Kingdom and Europe and is projected to kill up to 85% of nonresistant ash ...

A dozen trees are set to be felled in a park after they were found to be riddled with ash dieback and Dutch elm disease.

The disease is a fungus which infects ash trees, attacking leaves and branches, causing lesions, and eventually leading to their death.

Researchers at the University of Illinois Urbana-Champaign have analyzed 96 years of forest census data to better understand ...

Take a walk outside today. Look left, look right and then look up. What do you see? Or more importantly, what do you not see?

Pecans, Japanese plum, Arizona ash, chinaberry and mulberry seem to be even more susceptible. Lack of water is still an issue.

This photo shows the side view of an adult emerald ash borer. The invasive beetle is native to Asia and has killed more than 100 million ash trees in the U.S. since its arrival in 2002.

Tree diseases threaten forests and urban greenery alike. A new study published in the journal NeoBiota reveals a troubling trend: the rapid emergence of new diseases, doubling approximately every ...

The emerald ash borer is likely to kill 500 of the city's 600 ash trees in 5 years. While the city is working to cut them down to stop the spread, it is planting a variety of new trees to prevent ...