Navajo environmental groups are asking a judge to review actions that led a federal agency to renew an operating permit for a coal mine near the Arizona-Utah border.

The state Transportation Board has approved a five-year highway construction program that includes dozens of major projects, including expanding part of Interstate 17 north of metro Phoenix.

The Grand Canyon's North Rim will be following new water restrictions because of a malfunctioning pump.

A judge has ruled that the first state lawmaker in the U.S. to be ousted over sexual misconduct allegations after the rise of the #MeToo movement can run for the Arizona Senate because he is a resident of the district he wants to represent.

Republican New Mexico lawmakers challenged an agreement awarding water rights from the San Juan River to the Navajo Nation, asking the state Supreme Court on Friday to suspend the compact because the Legislature never approved it.

Authorities say firefighters have stopped the forward progress of a wildfire that prompted dozens of homes in a north-central Arizona forest to be put on pre-evacuation notice.

The number of people running to become the next president of the Navajo Nation has fallen by one.