Washington AG Nick Brown joined a lawsuit against Trump's challenge to California's vehicle emissions standards.

Federal appeals court blocks California's National Guard victory over Trump, escalating constitutional crisis between ...

A lawsuit filed against the Trump administration this week in San Diego federal court alleges the administration illegally ...

California and ten other Democrat-led states sued the Trump administration for repealing the state’s authority to impose a ...

Massachusetts AG Campbell joins a lawsuit against the Trump Administration's revocation of state emissions waivers.

SAN FRANCISCO — A federal judge issued a temporary restraining order Thursday directing President Donald Trump to return ...

U.S. District Judge Charles Breyer concluded that the president failed to comply with the statute he cited—and violated the ...

A federal judge has ruled that President Trump’s call-up of the California National Guard was illegal, prompting an immediate ...

The appeals court issued its pause just hours after Judge Charles Breyer wrote that Trump’s “actions were illegal." The 9th ...

California Gov. Gavin Newsom had a brief victory in his lawsuit against President Trump, but an appeals court quickly blocked a federal judge's order.

The decision by the U.S. Court of Appeals for the 9th Circuit blocks a federal judge’s earlier order to return control of the troops to California.

NY Attorney General Letitia James sues Trump administration for trying to rescind California's Clean Air Act waivers.