ARIZONA

The FBI will work with state and local law enforcement to determine whether the aggressive Waldo Canyon Fire was a result of criminal activity.

In a 5-4 decision that shocked the country, the U.S. Supreme sided with the Obama administration and upheld the individual mandate provision of the 2010 Affordable Care Act. The decision's impact will be felt across the country, from small business owners to those without health insurance. It marks the latest landmark Supreme Court ruling that affects our daily lives.

Colorado's devastating Waldo Canyon wildfire that has burnt down over 6,500 acres of dry timber since Saturday grew ferocious on Wednesday, spreading to an area of 67 square kilometers (26 square miles), while increasing threat for over 20,000 homes and other buildings.

The towering Waldo Canyon Fire near Colorado Springs is only 5 percent contained and authorities said it is exhibiting extreme fire behavior with extreme rates of spread.

A number of celebrities are outraged by the partially approved SB 1070 .

The presumptive Republican nominee is caught between conservatives who would like to see immigration laws more strictly enforced and Hispanics who are wary of his position, and as a result he has been exceedingly careful when it comes to immigration.

Single-family home prices picked up for the third month consecutive month in April, showing signs that the housing market recovery is gaining traction.

Arizona beat the University of South Carolina (USC) Monday night, securing the college baseball World Series title after besting the two-time defending champions with the help of a three-run ninth inning surge.

The House will decide Thursday whether to hold Attorney General Eric Holder in contempt for refusing to turn over all documents demanded by lawmakers investigating a botched U.S.-Mexico gun running sting, a highly placed staff member said Monday night.

President Barack Obama and Republican challenger Mitt Romney both used the Supreme Court's Monday ruling on Arizona's controversial immigration law to reinforce their positions on immigration.

The U.S. Supreme Court ruled that federal law invalidates several portions of Arizona's tough immigration law but kept in place a controversial provision requiring police officers to check the status of immigrants they believe to be in the country illegally.

The political world is eagerly awaiting not one but two Supreme Court verdicts that could reshape the political landscape for the Obama administration.

The U.S. Supreme Court will announce its health care decision on Thursday, after making three major rulings on Monday.

Western wildfires have burned nearly 500,000 acres of land so far and new ones have been reported.

From immigration to same-sex marriage to education, U.S. President Barack Obama has been able to advance his agenda without Congress. Here's how.

There are thousands of athletes on Twitter, but only a few are worthy of being part of your feed.

Some of the most important Republican Party stalwarts and alms-givers are gearing up for Mitt Romney's three-day retreat this weekend at Deer Valley Resort, 38 miles east of Salt Lake City, Utah.

Mitt Romney offered few details while articulating his immigration policy during a highly anticipated speech to Latino officials on Thursday.

Engineers have developed a camera that can potentially capture up to 50 gigapixels of data - or 50,000 megapixels. That's a huge leap ahead of most digital cameras on the general market that take photographs between 8 and 40 megapixels in size.

Phoenix radio talk show host Barbara Espinosa is in hot water after referring to President Barack Obama as a monkey, and saying she voted for the white guy in the 2004 presidential election.

Romney insists Rubio is indeed being vetted for vice presidential candidacy.