That beautiful flowering tree may be tempting, but you'll want to think twice before adding these to your yard because of ...

“An adult beetle has to land on a tree. They lay their eggs at which point during the incubation period the eggs hatch and ...

Across the eastern United States, tree communities are shifting toward fewer species in a process known as homogenization.

Emerald ash borers first arrived in Middle Tennessee in 2014 and have spread to at least 66 counties, authorities say.

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.

The invasive emerald ash borer beetle is confirmed to be in five new Texas counties, the Texas A&M Forest Service says.

It's expected that the vast majority of ash trees at the arboretum will not survive. The opening of 11 1/2 miles of trails in April is expected to come just in time for spring blooms and seasonal ...

Elm flowers bear both pollen and seeds whereas ashes produce pollen-bearing flowers on one tree and seed-bearing flowers on other trees. This difference accounts for some names.