Planned Parenthood has dropped its lawsuit challenging several abortion restrictions in Arizona, including the requirement for a 24-hour waiting period.

A new ruling Monday by the U.S. Supreme Court could aid legal efforts here to void a host of Arizona laws and regulations governing abortion. In a 5-4 ruling the justices said Louisiana has no legal right to prohibit doctors ...

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

Democrats and Latino activists are concerned that Tuesday’s U.S. Supreme Court’s ruling lifting the requirement that Arizona and other states get federal approval for election and voting law changes may have ended their best chance of stopping a newly passed omnibus election law.

With the U.S. Supreme Court set to review a law that requires federal approval of any changes to Arizona’s election laws and procedures, Attorney General Tom Horne said Tuesday the measure has outlived its usefulness.

If the feds can’t force Arizona to move forward with the massive Medicaid expansion, it’s a near certainty the Republican-led Legislature won’t do it for them. Though the U.S. Supreme Court upheld the core of President Barack Obama’s Affordable Care Act, it ruled that the federal government couldn’t force states to expand health care for the poor by threatening to take away other Medicaid funding.

WASHINGTON ai??i?? Chief Justice John Roberts could have taken down the entire, massive health care law that his fellow Republicans deride as "Obamacare." He could have prevented the Supreme Court decision that largely disabled the most disputed aspects of Arizona's crackdown on illegal immigrants.

Legal experts are predicting a mixed ruling by the U.S. Supreme Court on SB1070, which could leave the bill’s core provisions in place while sending others to the scrap heap.

Kagan’s recusal creates possibility of tie vote

The last oral argument of the U.S. Supreme Court’s term was an explosive one, as the justices considered whether SB1070 is preempted by federal law.

Arizona’s system of public campaign financing has been dealt a major, although expected, blow by the U.S. Supreme Court, which ruled June 27 that the matching funds provision of the Clean Elections Act is unconstitutional.