The Republican Party of Maricopa County said Sunday that precinct committeemen approved a resolution to support another candidate

Arizona state Sen. Kelli Ward is set to formally resign her seat to focus on her Republican primary challenge to U.S. Sen. John McCain.

With the 2016 legislative session just a month away, Sen. Kelli Ward will resign her seat to focus full-time on her Republican primary challenge to U.S. Sen. John McCain.

Former Massachusetts governor and 2012 Republican presidential nominee Mitt Romney will headline a campaign rally for his former GOP primary rival, U.S. Sen. John McCain.

WASHINGTON – The two front-runners for Arizona’s 2016 Senate race have raised nearly $6 million between them, new reports show, kicking off what experts say could be a year of heavy spending on elections in the state. In filings with ...

U.S. Sen. John McCain is trying to woo Hispanic voters to his re-election effort by putting together a coalition of Latino business leaders who back the Republican.

The lawyer for Sgt. Bowe Bergdahl, who walked off his post in Afghanistan and was held by the Taliban for five years, has accused Republican Sen. John McCain of exerting "congressional influence" in his client's case.

Conservatives who had held out hope that Congressman Matt Salmon would challenge U.S. Sen. John McCain in next year’s GOP primary are out of luck.

Republican U.S. Sen. John McCain is gearing up for his 2016 re-election effort by naming key members of his campaign staff.

Sen. John McCain calls his proposal to replace paper dollars with dollar coins “common sense” and “logical,” noting that it would save $4.4 billion on the cost of producing currency over 30 years.