There's a good chance the northern lights will be visible in the United States on Valentine's Day 2025. Here's why, and where ...

Despite recent court rulings calling for an end to the Trump administration’s sweeping pause on federal grants, numerous ...

Joe Vitosky was piloting a jet when it crashed in Scottsdale, Arizona. Here's what we know about former U.S. Marine Vitosky.

The Hopi Tribe wants to use clean energy to replace the shuttered Navajo Generating Station. Those projects are now at risk.

"It's an important agreement we've entered into with Ringkjøbing Landbobank on our first Danish battery project, and we're ...

One or more sculptures, metal plants and solar lighting could be placed in the middle of the Arizona Department of ...

Confusion over Trump's orders leaves billions of dollars in subsidies for energy-efficient appliances and rooftop solar ...

For more than 15 years, Joy Seitz has been a passionate advocate for Arizona’s solar industry. Seitz is CEO and owner of Phoenix-based American Solar & Roofing, which was founded in 2001 and installed ...

The solar firm is part of Google’s “50 States, 50 Stories” campaign, and the ad about it ran on Fox Arizona channels during ...

Two companies attempting to set up gigawatt-scale lithium battery factories have canceled their plans for American ...

About 80 percent of manufacturing investments spurred by a Biden-era climate law have flowed to Republican districts. Efforts ...

Arizona's electric utilities are planning for more nuclear power as part of a new look for this energy source and the possibility of small reactors.