Transportation Secretary Sean Duffy warned he would withhold federal highway funds from California after a deadly crash ...

The transportation secretary's visit comes as air traffic controllers are slated to miss their first full paycheck next week.

Transportation Secretary Sean Duffy accused California Governor Gavin Newsom (D) of trying to "pass the buck" after a deadly crash in his state.

U.S. Transportation Secretary Sean Duffy slammed Democratic leaders Chuck Schumer and Hakeem Jeffries during a press briefing at Philadelphia International Airport, blaming them for worsening air ...

The transportation secretary also said he "can't guarantee" flights will be on time, as government shutdown drags on.

After NASA's head indicated SpaceX could lose its moon lander contract, Elon Musk went on the attack on X against Sean Duffy.

Sean Duffy, the Secretary of Transportation and acting administrator of NASA, appeared on CNBC on Monday to say that SpaceX ...

A spat over the future of NASA under the Trump administration went public on Tuesday, with Elon Musk panning Transportation ...

Republican lawmakers are choosing sides as a battle looms over whether to allow Transportation Secretary Sean Duffy to remain ...

Secretary of Transportation Sean Duffy told Fox News host Sean Hannity on Thursday night that he could prohibit California ...

Department of Transportation Secretary Sean Duffy has weighed in on the increase in air traffic controllers calling out of ...

Starship was NASA's vehicle of choice to land astronauts on the moon before NASA head Sean Duffy's latest move. Now, Musk is ...