In a match that featured a lightning delay, lights going out and late-match gamesmanship from their opponents, the Arizona Wildcats persevered and outplayed the UNLV Running Rebels and earned a 5 –0 ...

The Planetary Science Institute’s Senior Scientist Faith Vilas was awarded the 2025 Gerard P. Kuiper Prize for her outstanding contributors to planetary science.

Marijuana sales in Arizona slid faster in the second quarter of 2025 than they did in the first quarter, marking the largest year-over-year decrease since voters approved recreational cannabis use in ...

The Dragon Bravo Fire on the North Rim of the Grand Canyon in Arizona isn’t just a wildfire story, it’s also a water story, and it signals a larger, emerging challenge across the West. As fire seasons ...

Yes, data centers use a lot of water. But did you know a foreign mining company projects to waste three times as much of Arizona’s most precious resource in the mountains beyond Tucson?

Yes, data centers use a lot of water. But did you know a foreign mining company projects to waste three times as much of Arizona’s most precious resource in the mountains beyond Tucson?

The Trump administration is developing a powerful data tool it claims will let states identify noncitizens registered to vote. But critics and data experts warn it could allow the federal government ...

A federal judge struck down two administration documents that sought to effectively ban all race-based considerations in schools and universities, ending a monthslong legal standoff between the ...

The D.C. attorney general sued President Donald Trump over his federal takeover of the city’s Metropolitan Police Department, the first pushback against the administration’s unprecedented exertion of ...

A D.C. Circuit panel ruled to overturn a court order freezing the Trump administration’s effort to dismantle the Consumer Financial Protection Bureau, finding that a federal judge did not have the ...

As a part of President Donald Trump’s AI Action Plan, which rolled out at the end of last month, the U.S. General Services Administration launched a platform that will allow government employees to ...

Tucson City Council members voted 5-2, shooting down a proposal to reimpose Sun Tran fares. The city's buses, street cars and ...