The justices appeared skeptical of a challenge to the law brought by an adult-content industry group, producers of pornographic material and a porn actress.

The Supreme Court on Wednesday grappled with states' efforts to require pornography websites to verify their visitors' ages amid a surge of laws that proponents say are aimed at protecting children from accessing sexual content on the internet.

U.S. Supreme Court justices expressed worries on Wednesday over the availability of online pornography to minors as they weighed the legality of a Texas law that requires pornographic websites to verify the age of users,