As more and more tree donation organizations pop up in the Mountain West, experts explain trees' abilities to cool the ...

The U.S. Forest Service is looking for volunteers to help plant tens of thousands of trees in mountains surrounding Flagstaff ...

Cheyenne Ingel, a scientist with the Desert Research Institute, says there’s a lot going on in a tree. She explains that ...

Have you ever looked at a mountain and wondered why there were trees on one side but none on the other? Or noticed different ...

There are plenty of places to spend the night in Sedona, but this serene campground nestled along the winding Oak Creek might be one of its best.

Multiple highways along routes to Flagstaff were closed on Friday due to winter weather conditions, ADOT announced.

After an unusually dry season, Flagstaff finally got some snow. Trump admin releases new JFK files Northern Lights Forecast: 22 States Could See Aurora Borealis Tonight Amid Strong Geomagnetic ...

Are you ready to hit the slopes and soak in a cozy hot tub for the ultimate winter weekend getaway in Arizona? If so, pack your bags and plan a trip to the enchanting town of Flagstaff!

FLAGSTAFF — Beneath the scenic yellow and red leaves of soaring aspen trees in the Kachina Wilderness, forest ecologist Mike Stoddard is looking down. His concern isn’t the brilliant fall foliage but ...

FLAGSTAFF — Beneath the scenic yellow and red leaves of soaring aspen trees in the Kachina Wilderness, forest ecologist Mike Stoddard is looking down. His concern isn’t the brilliant fall ...

Nature News: Squirrels aren't so bad after all Typical deciduous trees that lose their leaves every winter create a separation zone (abscission layer) between the leaf stem and the branch.