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

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

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

President Donald Trump said on Wednesday he is directing Transportation Secretary Sean Duffy to be the interim NASA ...

U.S. Transportation Secretary Sean Duffy will dually serve as acting NASA administrator, President Donald Trump announced Wednesday.

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

Transportation Secretary Sean Duffy is about to perform double duty after President Donald Trump named him interim head of ...

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

The Transportation Secretary's claim that the federal government has "sovereign prerogatives" is a silly kid's argument.

Transportation Secretary Sean Duffy said a complete overhaul of the nation’s air traffic control system would cost roughly ...

Transportation Secretary Sean Duffy and Rep. Jerry Nadler D-NY) got into a heated exchange over the safety of public transit ...

President Donald Trump appointed Transportation Secretary Sean Duffy as NASA’s interim administrator. Trump had been ...