Duffy's appointment also comes after billionaire Jared Isaacman's nomination fell through in May. Transportation Secretary Sean Duffy is about to perform double duty after President Donald Trump named ...

The US Department of Transportation said the move “left American businesses holding the bag for millions in increased costs.” ...

U.S. Secretary of Transportation Sean Duffy attended AirVenture on Tuesday to make an announcement for aviation regulation.

Overhaul of nation's air traffic control system has started with training of controllers, Transportation Secretary Sean Duffy ...

President Donald Trump on Monday named Transportation Secretary Sean Duffy to also serve as interim NASA administrator.

During her remarks in a House hearing this week, Representative Julia Brownley grilled Sean Duffy over SpaceX's work at the ...

Duffy, also the Transportation Secretary, has no space background, but has been an MTV reality star and a congressman.

Sean Duffy, the U.S. Transportation Secretary and former Wisconsin congressman, spent his second day at EAA AirVenture in ...

US President Donald Trump on Wednesday appointed Transportation Secretary Sean Duffy to serve as the interim administrator of NASA, a role that has remained vacant since Trump withdrew his initial ...

Democratic Rep. Jerry Nadler of New York got into a fiery exchange with Transportation Secretary Sean Duffy on Tuesday over ...

Transportation Secretary Sean Duffy took a victory lap on Thursday, signing an agreement with the Texas Department of ...

Rep. Jared Huffman grilled Transportation Secretary Sean Duffy about his calls for a historic Jesus painting at the U.S.