Donald Trump remains more popular in Arizona than the nation as a whole. But pollster Mike Noble said it doesn't look like that will help the Republican Party hang on to the Senate seat being vacated by Jeff Flake.

Voters are electing two governors, some big-city mayors and one member of Congress in an election dominated by local and state races.

Democratic senators criticized a National Park Service plan to impose steep increases in entrance fees at 17 of its most popular parks, including the Grand Canyon, Yosemite, Yellowstone and Zion, calling the proposed rates “arbitrary and unjustifiable.”

Arizona Republican Sen. Jeff Flake’s re-election race is becoming a case study in the GOP’s convulsions among the establishment, a furious base and angry donors.

A federal judge has upheld the validity of former Sheriff Joe Arpaio's presidential pardon despite claims from critics that letting his clemency stand would encourage officials to disobey future court orders.

The last-gasp Republican drive to tear down President Barack Obama's health care law essentially died Monday as Maine Sen. Susan Collins joined a small but decisive cluster of GOP senators in opposing the push.

The Arizona Department of Environmental Quality expects reductions in grant funding from the federal Environmental Protection Agency, but a lack of specifics have impeded planning.

House Democrats Isela Blanc and Cesar Chavez want “Dreamers” to keep making their voices heard and telling their stories as Congress wrestles with how to address Deferred Action for Childhood Arrivals.

The U.S. Justice Department said in a filing Monday that it agreed with Arpaio's attorneys who argued the lawman's conviction and the 14-page ruling should be voided.

José Patiño has done everything right, keeping within the many lines of federal bureaucracy involved with being a part of the Deferred Action Childhood Arrivals program. But now, he is scrambling to come up with plans A, B, and C in case Congress does not come through with a plan to replace the program.