An invasive, tree-killing pest has made its way to Portland, spelling trouble for the many ash trees that cool residential neighborhoods on hot summer days. On Wednesday, Oregon forestry officials ...

With their wide-spreading, leafy branches, ash trees are quite popular in the U.S., but they're being seriously threatened by ...

" Boxelder bugs invade our homes and other structures in the fall of the year looking for dry, protected sites (attics, wall ...

In 2002 in Michigan, many ash (Fraxinus sp.) trees started to show obvious signs of decline, and after careful inspections, arborists and biologists soon discovered a pest unknown to the U.S. as the ...

The Brentwood Tree Board held its first Tree Talks in August, and tomorrow they’re hosting another one, this time diving into invasive species that attack native trees and what to look for. Two ...

We asked author Marieke Nijkamp and her editor at Greenwillow, Martha Mihalick, to discuss 'City of Secrets,' book two in the ...

Seeds are the beginning of a plant’s life cycle, but a checklist of crucial steps needs to be taken to start their life cycle ...

The Beemerville Volcano gets its name from a section of Wantage, but also is known as Rutan Hill. Space Farms Zoo and Museum, ...

As emerald ash borer are close to returning to chew their way through trees, the City of Tracy is working on a plan to fight ...

At the Ryder Cup, the golfers and fans have been very rowdy, no doubt caused by the Trumpian world we now live in.

Although some trees around Flagstaff are looking drought-stressed, one veteran leaf watcher still expects a good show this ...

Two months later, the vantage where she watched the fire’s explosive surge looks like an ashen moonscape. The Turner Gulch ...