While Fremont Cottonwoods have adapted to cool themselves down, even in Arizona's extreme heat, water access is crucial.

Now that Santa has made his rounds and all the gifts have been unwrapped, it’s time to think about how to dispose of those ...

PHOENIX — Amid the Arizona heat, researchers are finding Fremont Cottonwood trees can cool themselves down, but their survival depends on consistent water access. The trees essentially sweat ...