The high court began its new term Monday, and President Barack Obama's health care overhaul, which affects almost everyone in the country, is squarely in its sights.

Raising prospects for a major election-year ruling, the Obama administration launched its Supreme Court defense of its landmark health care overhaul Wednesday, appealing what it called a "fundamentally flawed" appeals court decision that declared the law's central provision unconstitutional.

The Justice Department is joining calls by states and a business group for prompt Supreme Court review of President Barack Obama's health care overhaul.

A small-business group opposed to the health care overhaul is asking the Supreme Court to strike down the entire law, not just the core requirement to buy health insurance or pay a penalty.

A conservative-leaning panel of federal appellate judges raised concerns about President Barack Obama's health care overhaul Friday, but suggested the challenge to it may be premature.

Supreme Court Justice Antonin Scalia exercised a rarely used power last fall to let Philip Morris USA and three other big tobacco companies delay making multimillion-dollar payments for a program to help people quit smoking.

The Supreme Court ruled Thursday that states cannot limit drug manufacturers' use of information about which prescription drugs doctors like to prescribe.

The Supreme Court on Monday blocked a massive sex discrimination lawsuit against Wal-Mart on behalf of female employees in a decision that makes it harder to mount large-scale bias claims against the nation's biggest companies.