U.S. Supreme Court

The Supreme Court ruled Thursday that about half of the land in Oklahoma is within a Native American reservation, a decision that will have major consequences for both past and future criminal and civil cases.

The court's decision hinged on the question of whether the Creek reservation continued to exist after Oklahoma became a state.

Updated at 5:40 p.m. ET

The U.S. Supreme Court has unanimously upheld laws across the country that remove or punish rogue Electoral College delegates who refuse to cast their votes for the presidential candidate they were pledged to support.

The decision Monday was a loss for "faithless electors," who argued that under the Constitution they have discretion to decide which candidate to support.

Updated at 6:35 p.m. ET

In a major rebuke to President Trump, the U.S. Supreme Court has blocked the administration's plan to dismantle an Obama-era program that has protected 700,000 so-called DREAMers from deportation. The vote was 5-4, with Chief Justice John Roberts writing the opinion.