With Valero announcing the pending closure of one of its two remaining California refineries, the state will lose at least 18 ...

Depending on weather and cloud cover, visibility for SpaceX or United Launch Alliance rocket launch in California could extend far beyond Golden State ...

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

UCLA researchers say California and other states aren't recycling enough water. They recommend reusing much more to ease ...

Two vehicles were tracked down in connection to a northern Arizona train robbery and one car led police on an 80-mile chase that ended near the California-Arizona state line.

Hantaviruses can cause serious illnesses affecting the lungs and death. Rodents pass the virus through their droppings, urine and saliva.

The temblor was detected near Julian, California. There were no immediate reports of major damage or injuries.

However, a group of Arizona kids are doing Something Good by helping the children who are victims of the California wildfires. Pals 4 Palisades was founded by 10-year-old Peyton Ghormley and her ...

The U.S. Attorney's Office said Zimnako Salah targeted the congregants of the churches for their religion, making it a hate crime.

Cook's appointment comes as the state and region grapple with worsening climate issues such as extreme heat, devastating wildfires and a water crisis on the Colorado River.

PHOENIX (KVOA) - The Arizona Department of Public Safety has released the latest statistics for March, focusing on traffic enforcement, deadly crashes, and drug seizures on state highways.