Over the last five years, researchers have found that the death rate for saguaros in the Phoenix area jumped from 1% to 2% ...

PHOENIX (AZFamily) — A very hot start to the week is expected across Arizona, with First Alert Weather Days declared for extreme heat both today and tomorrow. Download the First Alert Weather App Here ...

Arizona is no stranger to heat, but recent temperature spikes are breaking records and raising serious climate concerns. Are ...

Temperatures are expected to exceed 110 degrees on Sunday and Monday in the Phoenix area. An Extreme Heat Warning will be in ...

PHOENIX, AZ (3TV/CBS 5) - According to the state’s top biologist, Desert wildlife displayed amazing resilience during Arizona’s record summer heat.

To help prevent heat-related deaths, Arizona's new heat officer Dr. Eugene Livar said he is working with nonprofit groups and local governments to ensure homes have working air conditioners.

As heat conditions intensify in Arizona, the current heat wave has broken multiple records and threatens to break several more this week, according to the National Weather Service in Phoenix.

At a botanical garden in Phoenix some cactuses can’t take the heat. Record-high temperatures in Arizona, combined with a lack of seasonal monsoons, have caused saguaro cactuses at the Desert ...

Summer is on full blast in Arizona. In cities like Phoenix and Tucson, where record-high temperatures have been the unsettling norm for days, people are doing their best to avoid the heat and stay ...

Arizona heat guidance needed, ironworker says. He said that while his training allowed him to acclimate to the dangerous conditions, not everyone has access to the correct tools and guidance.

As deadly, unrelenting heat scorches Arizona, some entomologists are growing concerned about the increasing number of dead honeybees – a species vital to our ecosystem, especially food ...

Arizona’s dry heat makes hydration absolutely critical. Aim to drink 3 to 4 liters (12 to 16 cups) of water daily, and even more if you’re spending time outdoors.