If Yuma's lettuce fields dry up, Americans won't just lose fresh greens in the winter. They'll lose a key part of our food ...

Tucson is one of the cities in Arizona with a workplace heat ordinance, but similar statewide efforts have failed at the Legislature. And the federal Occupational Safety and Health Administration ...

The heat returns to the Valley with extreme heat warnings issued this week.

The Valley will remain dry this holiday weekend. Next Week The extreme heat will continue into next week, as a strong ridge begins to build, resulting in a major heat risk potential beginning on ...

A child advocate says adults could face charges after taking multiple kids on a hike in Arizona in extreme heat, leading to the family needing to be rescued.

Experienced hiker and social media influencer Hannah Moody died from heat exposure in Arizona's Scottsdale preserve. She was found 600 yards off-trail.

Arizona's saguaro cactus has evolved to thrive in the extreme climate of the Sonoran Desert, but after decades of rising heat, even these towering icons are showing signs of stress.

Arizona's saguaro cactus has evolved to thrive in the extreme climate of the Sonoran Desert, but after decades of rising heat, even these towering icons are showing signs of stress.