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 ...

The Arizona Wildcats are 2.5-point underdogs for its upcoming home test against the 23rd-ranked BYU Cougars. BYU opened up as a 1.5-point favorite, but the line moved to 2.5 as of Sunday, according to ...

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

FLORENCE, Arizona — The state of Arizona executed 55-year-old convicted killer Richard Kenneth Djerf Friday morning, ending a more than 30-year case stemming from the 1993 murders of four members of ...

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 ...