Republican-led states and industry groups argued that the Environmental Protection Agency had moved too fast and imposed onerous regulations.

The ruling could amplify the impact of a separate decision overturning the Chevron doctrine, which had required courts to defer to executive agencies’ interpretations of...

The unanimous decision interpreted a federal civil rights law to require employers to make substantial efforts to accommodate their workers’ religious practices.

A novel Pennsylvania law requires corporations that do business in the state to consent to being sued there, even if the suits have nothing to...