The U.S. Supreme Court heard arguments this morning about Arizona’s controversial anti illegal immigration law.

Arizona will defend its controversial piece of immigration legislation before the Supreme Court on Wednesday. At issue is whether the state law complements or conflicts with federal law.

Supporters and opponents of Arizona's anti-illegal immigration law battled at a congressional hearing this morning.

Earth Day was marked Sunday across the U.S.

The U.S. Senate Subcommittee on Immigration, Refugees and Border Security held a hearing Tuesday on state governments enforcing immigration law.

The Pima County Board of Supervisors has appointed Tucson attorney Nick Fontana to the state legislature. Fontana replaces Daniel Patterson, who resigned earlier this month after an ethics panel recommended he be ousted from the legislature.

The Arizona Supreme Court says Governor Jan Brewer had no constitutional grounds to remove the Chairperson of the Independent Redistricting Commission last year.

DALLAS (Associated Press) — Tempe-based US Airways has struck deals with unions at American Airlines to win their support for a possible merger with American, which has angered the unions by trying to cut jobs and labor costs while under bankruptcy protection.

Two of the four candidates for Sheriff in Maricopa County campaigned Thursday night at an event sponsored by the Phoenix Quaker Meeting House and the Catholic Apostolic Church of Jerusalem.

Mexican customs inspectors seized a semi-truck loaded with 280,000 rounds of ammunition Tuesday evening at the Juarez border crossing. The truck and its cargo were headed for a Phoenix distributor, who says the truck driver made a wrong turn.