Democrats in 23 states and the District of Columbia sued to block the order.
A Supreme Court that has expanded gun rights will consider whether bans on semiautomatic rifles, often called assault weapons, violate the Second Amendment.
The Supreme Court on Tuesday erased limits on how much political parties can spend in coordination with candidates for Congress and president, striking down a federal election law that is more than 50 years old.
The Supreme Court of the United States issued a ruling Tuesday upholding state laws banning transgender girls and women from school athletic teams.
The U.S. Supreme Court has ruled that states can continue to set their own rules for counting mail-in ballots, rejecting a challenge backed by President Donald Trump ahead of the midterm elections.
The Supreme Court, in a 5-4 decision, upheld state laws that allow the counting of late-arriving mail-in ballots even if they were postmarked by Election Day.