WASHINGTON—The Supreme Court on Friday voiced skepticism of TikTok’s challenge to a federal law requiring the China-based social-media app to shut down or find new owners by Jan. 19. The court heard oral arguments on the constitutionality of the bipartisan bill President Biden signed last April that classifies the app,

The Supreme Court on Friday seemed likely to uphold a law that would ban TikTok in the United States beginning Jan. 19 unless the popular social media program is sold by its

The court is hearing oral arguments on TikTok’s bid to block a law that would lead to its ban in the U.S. starting Jan. 19 if it isn’t sold by its Chinese owner.