A federal judge blocked police in Arizona from enforcing a section of the state's 2010 immigration enforcement law that prohibited people from blocking traffic when they seek or offer day labor services on streets.

Despite her willingness to confront the president of the United States on a tarmac in front of the nation, Arizona Governor Jan Brewer doesn’t have it in her to confront Congress on SB1070, the issue that made her a national Republican hero and propelled her to a full term in office.

Democrats led by Senate Majority Leader Harry Reid, D-Nev., wasted no time Monday using Arizona Gov. Jan Brewer’s endorsement of GOP presidential hopeful Mitt Romney as proof of Romney’s “extreme” immigration positions.

U.S. Sen. Charles Schumer is looking to put Gov. Jan Brewer on the hot seat on the eve of April’s SB1070 U.S. Supreme Court hearing when his subcommittee conducts a hearing on state-level illegal immigration enforcement efforts.

Strong family ties, the cost of returning to their native countries and fewer economic opportunities back home have kept illegal immigrants in the U.S., despite strict immigration laws here, a new report claims.

Just a few percentage points separate Mitt Romney and Rick Santorum in the polls for Arizona’s GOP presidential primary, but the two frontrunners did little to differentiate themselves on the issues nearest to Arizona Republicans’ hearts.

Lawmakers pressed Homeland Security Secretary Janet Napolitano about border security and deportation policies in two House hearings that lasted much of the day Wednesday.

Attorneys for Arizona Gov. Jan Brewer have asked a federal judge to consolidate two of the three remaining challenges to the state's 2010 immigration enforcement law.

Maricopa County Sheriff Joe Arpaio's lawyers urged an appeals court to reverse a ruling that barred his deputies who are enforcing Arizona's immigrant smuggling law from detaining people based solely on the suspicion that they're in the country illegally.

A senator who wants to create an armed volunteer force that can stop crimes along the Arizona-Mexico border repeated claims Tuesday that terrorist organizations based in the Middle East have formed alliances with drug cartels to the south.