Treasury Secretary Jacob Lew warned Thursday of a “potentially catastrophic” hit to the economy if the nation reaches the debt limit next week and defaults on its obligations.

Young people who fall into a gap between their parents’ health insurance plans and coverage through employers need to get information on how the federal exchange now open in Arizona can protect them should they face major health problems, advocates said Monday.

About 4.5 million tourists from around the world make the trip every year to the Grand Canyon National Park in northern Arizona, a trek that pours an estimated $1.3 million a day into nearby communities.

Some members of Arizona’s congressional delegation hoped to show solidarity with furloughed federal employees by cutting or suspending their pay during the government shutdown.

Gov. Jan Brewer said a delay of Obamacare’s individual mandate isn’t worth a federal government shutdown.

The U.S. Court of Appeals ruled today the Legislature cannot prevent state funding from going to Planned Parenthood, as lawmakers attempted to do with a law passed in in 2012.

Arizona Gov. Jan Brewer will ask President Barack Obama about the status of her disaster declaration request for the Yarnell Hill fire when the two meet at Sky Harbor Airport in Phoenix Tuesday.

Arizona Public Service is temporarily halting plans for more than $550 million in investments to secure its power supply after energy regulators opened up the possibility of competition in electric service.

The Supreme Court appears ready to allow Arizona to enforce a state law provision that requires police officers to check the immigration status of people they think are in the country illegally.

Arizona will be in the national spotlight this week as SB1070 takes two of the nation’s most prominent stages.