Arizona's governor has vetoed legislation aimed at speeding up the counting of election results in the swing state.

Bolstered by Mormon voters’ distaste for MAGA politics, the center-right is trying to reassert itself in a ruby-red state.

The Republican primary to challenge Arizona’s Democratic governor, Katie Hobbs, next year looks like it will pit a ...

As Arizona enters the final month of a bone dry winter, almost half the state is experiencing extreme drought conditions.

Clyde Tombaugh discovered Pluto in 1930 at Lowell Observatory in Flagstaff. Here's how Pluto won - and lost - its planetary status.

Environmental Day at the Arizona Legislature, conservation advocates talked about the issues they wanted lawmakers to address.