Donald Trump gained ground in all four counties on the Arizona-Mexico border. Here's where his margin improved the most.

First-time candidates Rudy Fischer and Brian Biesemeyer are still battling for an open seat in this year's Central Arizona ...

For the first time in years, voters in Northwest Tucson appear to have elected a Democrat to the Arizona House of ...

The Associated Press declared Democrat Ruben Gallego the winner of Arizona’s U.S. Senate seat after vote updates on Monday ...

Huckabee is a staunch defender of Israel and his nomination comes as Trump has promised to align U.S. foreign policy more ...

That allowed the campaign to spend the money they saved on everything from national ad campaigns to targeted outreach toward ...