Several Biden-era waivers allowed California to set its own vehicle emissions, and a reversal would be another blow to the state’s effort to regulate pollution from cars and trucks.

President Donald Trump signed a resolution on Thursday that blocks California’s first-in-the-nation rule banning the sale of new gas-powered cars by 2035.

California immediately struck back with a lawsuit and a vow to continue setting standards.

Allies and opponents agree how Newsom handles the protests – including Trump’s calling in the National Guard and sending in active-duty Marines over the governor’s objections – will reverberate far b...

As Trump’s administration promises to round up some 3,000 immigrants a day and deport 1 million a year, the political stakes are shifting in real time.

California Democratic Gov. Gavin Newsom is calling President Donald Trump's military intervention at protests over federal immigration policy in Los Angeles an assault on democracy and has sued to try...

Newsom has complained the White House has illegally overstepped its authority and put troops on the street without adequate plans to feed or house them.

I wore the uniform with pride — not for personal recognition and not out of political alignment but to serve a greater purpose: upholding the Constitution of the United States.

“The President’s unchecked, unnecessary deployment of our nation’s military to the city of Los Angeles is deeply dangerous for our children, for our families, and for our country.”