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.

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

Secretary of Transportation Sean Duffy told Fox News host Sean Hannity on Thursday night that he could prohibit California from issuing commercial driver licenses (CDL) if the […] ...

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

SpaceX founder Elon Musk and Transportation Secretary Sean Duffy are currently beefing, much to the chagrin of the White House. The beefing appears to have started on […] ...

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

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

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

The tech billionaire has called Duffy ‘dangerously stupid’ and campaigned for SpaceX astronaut Jared Isaacman to replace him ...

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

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