"By calling forth troops...the President flouts the vision of our Founders," read an amicus brief filed by 21 states.

Legislation signed by President Trump impacting California’s clean truck rules immediately brought a lawsuit from the state.

A federal appeals court late Thursday paused a ruling that required President Donald Trump to return control of members of ...

California Governor Gavin Newsom offered some cutting words on social media for President Donald Trump Thursday as he battled ...

The 9th U.S. Circuit Court of Appeals on Thursday temporarily blocked a federal judge's order that directed President Donald ...

Their clash over Trump’s deployment of military forces for anti-ICE protests in Los Angeles is far from the first time the ...

California officials on Thursday filed their 26th lawsuit against the Trump administration, after the president signed ...

The state of California had sought to stop the president from sending National Guard troops without the governor’s approval.

An escalating clash pits a Republican president looking to fulfill his mass deportation goals against a Democratic governor ...

Senior U.S. District Court Judge Charles R. Breyer said he was “trying to figure out where the lines are drawn.” ...

What the judge rules, and the likely appeals that follow, may alter decades of understanding about the roles of governors and ...

A temporary restraining order said the deployment of the Guard was illegal and exceeded Trump’s statutory authority.