Before Speaker Mike Johnson could get his first real stretch of sleep in three days, the House GOP’s painstakingly drafted “big, beautiful bill” was running into resistance in the Senate.

Sen. Rand Paul (R-Ky.) has told Senate GOP leadership that he is a hard no on the bill the House passed early Thursday morning to enact President Trump’s legislative agenda because the legislation

Texas Sen. John Cornyn has enlisted Chris LaCivita, a top political adviser to President Trump, to help him beat back a primary challenge from Texas Attorney General Ken Paxton. Why it matters: LaCivita's involvement doesn't guarantee an endorsement from Trump in what is expected to be the GOP's most expensive Senate primary.

Senate Majority Leader John Thune and several other top GOP senators Tuesday pledged to vote to nix California's Clean Air Act emissions waiver.

California's 2035 deadline for phasing out gas-powered cars is overturned after the Senate voted to rescined an EPA waiver empowering the Golden State's regulation.

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

GOP infighting doesn’t stop with the passage of the House spending bill, it just moves to the Senate. One key issue that could cause more “roiling” in the party is the SALT tax, according to a Vox report.

STATE SENATORS WAGED A FINAL BATTLE THURSDAY OVER LEGISLATION TO MAKE THE NEW HAMPSHIRE YOUTH RISK ASSESSMENT SURVEY AN OPT IN CHOICE FOR PARENTS. CRITICS SAY THE SURVEY PUTS ADULT ISSUES IN FRONT OF KIDS WITH NO HELP OR GUIDANCE.

The Senate parliamentarian advised lawmakers that they couldn't use the Congressional Review Act to revoke California's right to set vehicle standards. But they did it anyway. Expect a legal fight.