On January 28, the Arizona Center for Law in the Public Interest (ACLPI) and Earthjustice filed an appeal in the Arizona ...

BrightNight and Cordelio Power announced a new power purchase agreement with Arizona Public Service (APS), the largest ...

Arizona currently has just over 4,000 alternative vehicle fueling stations, according to U.S. Department of Energy data, and ...

Arizona currently has just over 4,000 alternative vehicle fueling stations, according to U.S. Department of Energy data, and the electric vehicle industry has been growing alongside solar in the ...

Scientists have identified life’s key ingredients and signs of the stew needed to mix them in asteroid samples brought back to Earth by a University of Arizona-led space mission. The rocks and ...

Two science teams pored over samples from the B-type asteroid Bennu, finding chemicals linked to the beginnings of life and ...

The Old Farmer's Almanac released its weather predictions for spring 2025. Here's what to expect in Arizona, including temperatures and rain.

California led the nation in operating solar generation until 2024, when Texas took over the top spot. Nevada (5.5 GW) and Arizona (5.0 GW) rank second and third, respectively, in the West in ...

Eastern Cottontail Solar LLC wants to build a 220-megawatt solar field of 1,550 acres near Ohio ... (President) Jimmy Carter started the U.S. solar age more than 40 years ago.

Meet 9 Arizona startups that are angling to have a long runway for success as industry disruptors and innovators.

A solar explosion called a coronal mass ejection is poised to graze Earth on Friday or Saturday (Jan. 24 or Jan. 25), potentially triggering colorful auroras over the northern U.S.