Near-record or record-breaking temperatures are forecast to bake California, Arizona, and Nevada this weekend.

California Republicans are launching an investigation into the Low Carbon Fuel Standard update that is expected to increase ...

The Great Basin, covering parts of seven states, could provide 10 percent of the U.S.'s energy needs via geothermal sources.

He explained that other competitive states, like Nevada and Utah, surround Arizona. Nevada ranked 14th in its economic outlook rating, while Utah ranked first. Williams said Nevada could ...

California, Arizona and Nevada are urging the Trump administration to change the federal government’s approach to Colorado River water shortages. The three states say new rules should include ...

Kamala Harris and Donald Trump are headed to the stubbornest swing states. At various points in this election season, it looked like either Arizona or Nevada might come off the board—or at least ...

(The Center Square) – Arizona and Nevada taxpayers would see their taxes rise by several thousand dollars if the 2017 Tax Cuts and Jobs Act is not extended, according to a report released ...

Texas-based Phillips 66 announced plans to cease operations at its Los Angeles refinery before the end of 2025.