The Supreme Court is preparing to wade into one of the most significant aspects of the legal battles raging during the second ...

Samuel Alito Jr., associate justice of the US Supreme Court, from left, Clarence Thomas, associate justice of the US Supreme Court, Brett Kavanaugh, associate justice of the US Supreme Court ...

The case is the first challenge to the new administration's policies that the justices have taken up for public discussion.

Republicans retained a narrow majority in the House and currently control both chambers of Congress. In their Supreme Court appeal, Louisiana officials had urged the justices to approve the ...