The Senate voted on Thursday to block California’s first-in-the nation rule banning the sale of new gas-powered cars by 2035, ...

Tensions are growing between Sen. John Cornyn and Texas Attorney General Ken Paxton in the Republican primary for U.S. Senate ...

California’s authority to set environmental rules that are tougher than national standards had never been challenged by ...

Republicans are increasingly concerned that a bitter Senate primary in Texas next year could make it harder to defend their ...