A powerful geomagnetic storm created a series of brilliant auroras recently for observers across North America.
Arizona residents were treated to a rare sighting of the aurora borealis, with a second night expected to be more spectacular ...
Winter closures of several high-country roads start Nov. 15, according to the Arizona Department of Transportation.
The weekend storms that are anticipated to bring wet weather to the Valley started to affect metro Phoenix on Saturday ...
An usually wet September and October has greened up Arizona's outdoors, but La Niña could erase some of the gains.