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

As part of our Scotland’s Wonderful Wildlife series, Alan Watson Featherstone reveals the many threats faced by Scotland native aspen trees – a species that created the world oldest and largest living ...

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 ...