Two major weather systems will bring mixed conditions across much of Arizona, with snow in Flagstaff, wind in Phoenix and possible rain in Tucson.

Prent Corp., a Wisconsin-based thermoformer with a global footprint, is closing its plant in Flagstaff, Ariz. Flagstaff was ...

Researchers analyzed saliva the nocturnal mammals leave behind when sipping nectar from plants and residential hummingbird ...