Pando is a giant aspen clone in central Utah that has been regrowing parts of itself for up to 80,000 years — but new threats ...

Winter's deep-freeze will soon slow down any regrowth happening in the charred areas of Jasper National Park. But for now, ...

Young aspens often don't survive because of factors such as grazing elk, according to a study by Northern Arizona University ...

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 ...

FLAGSTAFF — Beneath the scenic yellow and red leaves of soaring aspen trees in the Kachina Wilderness ... Beneath the towering white trunks of the aspens, Stoddard looks to the thin plants ...