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 ...

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

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

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

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

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

Transportation Secretary Sean Duffy is about to perform double duty after President Donald Trump named him to lead NASA on an interim basis. News of Duffy's appointment comes during a turbulent period ...

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 ...

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

U.S. Secretary of Transportation Sean Duffy was at the EAA AirVenture festival Tuesday, July 22. Duffy announced a set of new regulations he says will make recreational flying ...