Several wildfires continued to burn across the Los Angeles area on Thursday, destroying homes, closing schools, and forcing evacuations. Here’s what to know.

This is the city’s first time as an exhibitor with a booth at CES, formerly known as the Consumer Electronics Show.

The Department of Energy Loans Programs Office has approved a loan to Arizona Public Service (APS) to construct new ...

If it survives its close encounter with the sun next week, it could become the brightest comet of 2025.

A solar project aiming to supply western Arizona with clean energy was approved by the Bureau of Land Management, the agency ...

Kate Gallego's position could put Phoenix in line for more outside help, but will also bring more scrutiny to her work.

Combined with other electricity-saving home upgrades, your energy bill should plummet. The price of solar power is plummeting ...

Why these scientists keep a close eye on the air way up there and will solar geoengineering help stop climate change? NOAA wants to know.

Installations of rooftop solar panels in Arizona are down in 2024, following a peak in 2022. The slow-down came despite federal support for solar.

The company uses indoor hydroponic technologies to grow various types of lettuce and herbs. Homer Farms says it uses 95% less ...

Phoenix Mayor Kate Gallego talks about the challenges of leading in the nation's hottest big city and outlines her climate ...

The legislation, co-sponsored by Sens. Mark Kelly and Krysten Sinema and Reps. David Schweikert and Greg Stanton and ...