Geologists examine a massive fissure in Arizona and find that may have existed way before it caught public attention.

Arizona Public Service (APS), Salt River Project (SRP), and Tucson Electric Power (TEP)—have announced plans to explore the ...

A Valley fever vaccine for animals may be available by the end of the year. Dr. John Galgiani, founder of the Valley Fever Center for Excellence at the University of Arizona, says they discovered a ...

Jumping off Robert F. Kennedy Jr.'s "Make America Healthy Again" campaign, Arizona Republicans are supporting House Bill 2164 ...

New research shows that when an asteroid slammed into the moon billions of years ago, it carved out a pair of grand canyons ...

Tucson's new ‘Astro Trail' is a collection of national parks, state parks, observatories, and planetariums, that offer a ...

The city of Flagstaff has taken big steps to preserve the clarity of its night sky. Find out the best ways to experience the ...

The desert city in southern Arizona is a sanctuary for stargazers—and now it's even easier for visitors to explore.

Meta unveils a data center in Mesa with pledges of sustainability at a time when critics are raising louder concerns about ...

Coachella Valley Unified School District is expected to propose further reductions in force to the board on Feb. 6 to address ...

Food giant Nestle unveiled a $675 million Glendale plant that makes creamers for coffees, a segment where the company expects ...

The SpainSat NG-1 satellite launched right on time at 8:34 p.m. from Kennedy Space Center's Pad 39A. The rocket rumbled loudly as it headed on an eastern trajectory. Just over eight minutes into the ...