Did you pay attention to the top headlines in Arizona this week? Now is the time to test your skills with this week's azcentral.com news quiz, covering stories from Dec. 27, 2025, to Jan. 1, 2026.

GPT-5.2 Pro delivers a Lean-verified proof of Erdős Problem 397, marking a shift from pattern-matching AI to autonomous ...

The Cleveland Browns are looking at another high draft pick but they won't pass up a chance to be a thorn in the side of the Pittsburgh Steelers in their Week 17 matchup. The Browns (3-12) have lost ...

TL;DR: In 2025, quantum computing moved from theory toward tangible impact. From government programs to startup projects, the industry demonstrated that usefulness is no longer hypothetical. Progress ...

Stafford has topped this number in four of his last five games (including more than 800 yards in his last two games) and we're projecting him to go well Over his total again tonight. Our projections ...

When each day feels like an endless loop of work, errands, and other responsibilities, it’s easy to push rest and enjoyment to the bottom of the list, but research suggests that intentionally making ...

Meta said it has secured agreements with energy companies Vistra, TerraPower and Oklo, which are working on nuclear power technologies. They're planning to work together to eventually power Meta's ...

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The winter break is here, and if you're planning on hitting the road for New Year's Eve, it's a good idea to start thinking about your road trip route now so you can avoid the worst traffic and see ...