Sandra Ramsey Lines was the first document examiner to weigh in on the authenticity of records that anchorman Dan Rather used to try to prove President George W. Bush got special treatment during his Air National Guard duty.

A first-term lawmaker is pushing legislation he contends will block at least two branches of the federal government from imposing their will on Arizona.

Nonprofit co-ops, the health care law's public-spirited alternative to mega-insurers, are awash in red ink and many have fallen short of sign-up goals, a government audit has found.

The Supreme Court has declared that same-sex couples have a right to marry anywhere in the United States.

New federal rules designed to better protect small streams, tributaries and wetlands ai??i?? and the drinking water of 117 million Americans ai??i?? are being praised by environmentalists as a victory for clean water and criticized by Republicans and farm groups as going too far.

Sen. John McCain is charging the Obama administration's foreign policy is "delusional" and says Secretary of State John Kerry's global diplomacy has "accomplished nothing except mileage."

Jean and Howard Somers’ work to increase awareness of veterans’ mental health issues has made them regulars in Washington, but the former Arizona residents were still surprised to get an invitation to the State of the Union.

President Barack Obama angered some veterans Thursday when he chose not to visit the troubled Phoenix Veterans Affairs hospital at the center of a nationwide wait-time scandal while in town for a speech.

President Barack Obama announced a plan today in Phoenix to make home ownership more affordable by lowering Federal Housing Administration mortgage insurance premiums by 0.5 percent, to 0.85 percent from 1.35 percent.

Throughout Barack Obama's presidency, Arizona has served as a symbol of the nation's real estate crisis and recovery. When Obama visited Arizona within weeks of taking office in 2009, the state was among the hardest hit by the housing collapse and the White House was pushing multibillion-dollar programs to save homeowners from foreclosure.