President Donald Trump signed congressional resolutions ending California's electric vehicle mandates and diesel engine restrictions.

An escalating clash pits a Republican president looking to fulfill his mass deportation goals against a Democratic governor with White House aspirations hoping to mobilize opposition.

California Gov. Gavin Newsom had sued Trump in an attempt to block the deployment of federal troops in the city, which Newsom has called a “serious breach of state sovereignty.”

The 9th U.S. Circuit Court of Appeals on Thursday temporarily blocked a federal judge's order that directed President Donald Trump to return control of National Guard troops to California after he deployed them in response to protests in Los Angeles over immigration raids.

President Donald Trump hit back at Gov. Gavin Newsom's claims that the president did not call him recently, showing a screenshot of the call to Fox News.

Live updates and the latest news as Defense Secretary Pete Hegseth testifies on the Hill and primary day arrives in the New Jersey governor's race.

A California Republican Assemblyman and Gov. Gavin Newsom's spokesman got into a brief war of words on social media Thursday, after California's U.S. Senator Alex Padilla was forcibly removed from a Department of Homeland Security press conference.

Gavin Newsom’s renewed control of the California National Guard didn’t last more than a few hours thanks to a federal appeals court. “The request for an administrative stay is GRANTED,” the court wrote in a short order tonight after the White House and DOJ came up short this afternoon in their bid

In Governor Gavin Newsom’s address to California, he warned of an assault on democracy. “California may be first – but it clearly won’t end here. Other states are next. Democracy is next. Democracy is under assault right before our eyes.