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 ...

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

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 ...

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.

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 ...