The Smart Surfaces Coalition says they can save the city of Phoenix $3 billion over 35 years with the implementation of heat mitigation technology.

Extreme heat now kills one person every minute, according to a sweeping new report by the British medical journal The Lancet.

Why did Arizona get rid of Daylight Saving Time? Due to its extreme heat, Arizona got rid of Daylight Saving Time. Arizona ...

A series of storms drenched Arizona in late September and early October and helped ease short-term drought conditions.

Centuries-old trees can hold clues about global weather patterns. A new UA study unlocked some of those clues.

Weather patterns like heat waves or dry spells can sometimes stall over one region. A new University of Arizona study found clues about why. The researchers analyzed tree rings from centuries-old ...