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.

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

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

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

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

Sec. Sean Duffy issued a warning to Mexico Saturday for allegedly breaking the 2015 U.S.-Mexico Air Transport Agreement. The ...

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

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

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

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