Although thousands of evergreen trees are beginning to display dying yellow or brown needles, most are simply going through a natural shedding process and are not being damaged by bark beetles, ...

For months, foresters and researchers have been investigating reports of ailing pine trees in Arkansas. New diagnostic lab results help tell part of the story, but researchers are continuing to ...

“My pine tree has me concerned. There are a bunch of needles that are turning brown. Is something wrong?” — S.H.

Two arrived in the U.S. from overseas. One is domestic.