That balanced budget that Gov. Doug Ducey said wouldn't raise taxes is going to cost Arizona motorists an extra $32 a year for every car, truck and motorcycle they have.

The question of whether Arizonans get to vote on a tax hike on the wealthy to raise $690 million a year for education could depend on what a judge thinks of a math teacher's explanation of the difference between "percent" and "percentage point.''

A group pushing a ballot measure to tax Arizona’s top earners to fund public schools say they have the voters on their side.

A plan by business leaders to ask voters for a 1.5-cent sales tax hike for education at the 2020 ballot could set the stage for a possibly expensive battle with Gov. Doug Ducey and his Koch brothers allies -- assuming Ducey is still in office at that point.

A group of business leaders is pushing for a measure to go on the 2020 ballot to increase the sales tax that supports Arizona public K-12 schools and universities.

The state's high court agreed Tuesday to decide whether a levy that funds Arizona's expanded Medicaid program was illegally enacted.

Maricopa County Assessor Paul Petersen wants medical marijuana dispensaries to pay personal property taxes, and the county’s dispensaries say they’re happy to comply.

Ducey penned his approval to 27 new laws on Monday, the last of what the legislature approved in its 122-day session. But he found six unacceptable, bringing his veto record this session to 11.

Invoking claims of illegally printed paper money, the use of gold in the Bible and even foreign entanglements, former Congressman Ron Paul urged Arizona lawmakers Wednesday to let coin collectors and investors escape the state's capital gains tax.

Unwilling to even consider a gas tax hike, Gov. Doug Ducey is now counting on the Trump administration to help Arizona deal with its road-construction needs.