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.

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

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

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

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

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

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 ...

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