For more than two decades, much of Southern Arizona was represented by Rep. Raúl M. Grijalva, a liberal stalwart who championed environmental causes, supported immigrant rights and advocated on behalf of indigenous communities.

The election to replace the late Rep. Raúl Grijalva is ultimately expected to send a Democrat to Capitol Hill, putting pressure on House GOP leaders.

Arizona's Rep. Raul Grijalva died in March at 77. His daughter, Adelita, is one step closer to taking up his mantle in Washington.

Tensions within the Democratic Party over age, representation and experience have roiled a special election primary in southwest Arizona, where a young, social media-savvy activist is taking on the daughter of Rep.

Robert Branscomb, who was selected as chairperson of the Arizona Democratic Party in January, has been removed from the post after only serving approximately six months.

A hacker gained access to the web portal Arizona candidates use to upload information about themselves and changed candidate profile photos.

Arizona introduces Text2Cure for fixing ballot signature issues, enhancing voter accessibility, with use in an upcoming election.