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

A group of 45 U.S. senators is urging Transportation Secretary Sean Duffy to take a firmer stand against efforts to examine ...

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

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

Transportation Secretary Sean Duffy is tackling the modernization of the nation's air traffic system while visiting the EAA ...

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 ...

U.S. Transportation Secretary Sean P. Duffy criticizes Mexico for not adhering to the 2015 U.S.-Mexico Air Transport ...

U.S. President Donald Trump on Wednesday tapped Transportation Secretary Sean Duffy to serve as the interim administrator of ...

Maryland's transportation secretary is leaving state service, the governor's office announced Wednesday. Paul Wiedefeld, a ...

The restoration drew attention on Wednesday in Congress, where Rep. Jared Huffman, a California Democrat, grilled Duffy over ...

President Donald Trump says Transportation Secretary Sean Duffy’s work on modernizing air traffic control has prepared him to serve as interim NASA administrator: “Sean is doing a TREMENDOUS ...