Megan Mineiro

A measure to direct the president to halt U.S. engagement in Iran had been on track to pass in late May, but Republican leaders postponed action. They have run out of time to delay the vote.

House Republican leaders abruptly scrapped a planned vote on a measure to direct President Trump to end the conflict or win authorization for it, amid party defections and absences.

With four Republican backers, Democrats won a vote to advance a resolution that would force the president to end hostilities or win authorization from Congress.

News that President Trump had snubbed Senator John Cornyn of Texas, the four-term incumbent, was met with shock, anger and fear that the G.O.P. could lose his seat.

Having deferred to the president for months, G.O.P. lawmakers missed crucial milestones to try to limit his war powers. That has tied their hands in seeking parameters and exit criteria.

Senator Lisa Murkowski of Alaska became the latest Republican to switch her vote to halt the conflict and require President Trump to win congressional approval to continue it.

The estimate from the Defense Department’s top budget official was $4 billion higher than two weeks ago. Secretary Pete Hegseth declined to say when the administration would request extra money for...

A three-judge panel in Washington heard arguments in the lawsuit aimed at stopping the Pentagon from disciplining Senator Mark Kelly for a video warning about illegal military orders.

In letters to the House and Senate, the president asserted that the hostilities had “terminated,” in an apparent attempt to avoid having to seek congressional approval.

Months into the operation and with midterms looming, some lawmakers are calling for Congress to restrain the president’s war power or set terms for bringing the conflict to a close.

The defense secretary testified on the eve of the 60-day mark of the war, a major statutory deadline for the president to withdraw forces or seek approval from Congress to continue the fight.

It was Defense Secretary Pete Hegseth’s first public appearance before Congress since Operation Epic Fury began in late February.

Republicans pushed through a budget plan with a $70 billion increase for immigration enforcement after an overnight session in which they beat back Democratic proposals aimed at lowering costs.