Travelling across Ireland, it is hard to ignore the lines of dead and dying ash trees in the hedges.

The damage is invisible at first, but it doesn’t take long for the leaves to wither, the trunks to weaken, the once-vibrant ...

The week of May 20-26 has been designated Emerald Ash Borer Awareness Week in Minnesota, another reminder that we should keep an eye out for this very destructive pest which can kill ash trees ...

The team also discovered that natural selection is acting upon thousands of locations within the ash tree DNA, driving the evolution of resistance. The post Researchers find ash trees evolving ...

Scientists at the Royal Botanic Gardens, Kew and Queen Mary University of London have discovered that a new generation of ash ...

For the Vivians, losing those ash trees means a lot more than just losing their beautiful scenery. For 17 years, they've depended on their deciduous forest to do much of their heating and cooling.

Britain's trees are evolving resistance to the deadly ash dieback fungus, scientists have revealed. The disease has wrought havoc on the countryside, leaving behind the remains of dying ash trees.

The emerald ash borer eats into the bark of ash trees and leaves D-shaped holes. Debbie Miller / U.S. Forest Service. Matt Mills, an emerald ash borer support specialist with the Oregon Department ...

Ash trees are dying by the thousands in south-central Minnesota. Chainsaws are roaring as government workers struggle to keep up. And tree experts warn that 2025 will be much worse.

The emerald ash borer -- the colorful little insect that is killing ash trees across the United States -- will cost Lincoln taxpayers about $29.1 million, close to $2 million a year for 15 years ...

For decades, development, disease and insect infestation have chipped away at the tree canopy, leaving Twin Cities ...

These 5 tree species are dying. Scientists are racing to save them. Invasives have largely wiped out the American chestnut and elm, caused “hell” with the beech, and are now wreaking havoc on ...