The clock is ticking for the few healthy ash tree groves still in existence around D.C. Twenty years ago an invasive pest arrived in the area, hidden away inside a shipment of ash trees headed for a ...

A small beetle is responsible for the death and decline of billions of ash trees in North America, and the race is on to stop it from causing further damage. The USDA is hoping to spread the word so ...

Did you hear what happened to the wooden car with wooden wheels and a wooden engine? It wooden go. Wood, at least from ash trees, is in excess supply since emerald ash borers have killed hundreds of ...

Add Yahoo as a preferred source to see more of our stories on Google. Looking up at an ash tree's leaves and branches. - La fotisto/Shutterstock Sprays of white blossoms in spring, dappled shade in ...

The invasive emerald ash borer, according to the U.S. Department of Agriculture, was first found in the United States in southeast Michigan in 2002. In the decades since, the wood-boring beetle has ...

Ash trees in the UK are rapidly evolving resistance in response to ash dieback disease, DNA sequencing of hundreds of trees has shown. The finding is good news, says Richard Buggs at the Royal Botanic ...