The Supreme Court on Tuesday knocked down Donald Trump’s effort to end birthright citizenship as it has been understood for more than a century, invalidating an executive order that was a key part of the president’s agenda even though it was legally dubious from the start.

The decision, which allows parties to spend more in coordination with candidates, is likely to further expand the power of big money in American politics.

Last week, The New York Times divulged a fresh trove of confidential internal memoranda between the Supreme Court justices. The documents allegedly show that Chief Justice John Roberts and his conservative colleagues have abused the Court’s technical ...

When the Supreme Court issued its ruling in Louisiana v. Callais, in late April, gutting what remained of the Voting Rights Act of 1965, it insisted, unconvincingly, that it was merely offering an “update,” clarifying the precise standards for ...

The U.S. Supreme Court has wrapped up its term and begun to agree to cases it will hear in its next one, to begin in October. Decided June 30: In a sharp rebuke to President Trump, the Supreme Court ruled that the Constitution guarantees automatic ...

The Supreme Court announced Tuesday that it will decide whether cities and states may ban people from owning AR-15 rifles and similar semiautomatic weapons, taking up a major Second Amendment dispute that it had previously declined to address.

The GOP asked the Supreme Court to scrap a Watergate-era rule preventing donors from bypassing limits on what they can give federal candidates.

The Supreme Court rulings could affect who is considered a citizen, whether there are limits on how much parties can spend in coordination with federal candidates, and whether transgender athletes can participate in sports.