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.

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 P. Duffy announced a $488 million infrastructure investment under the BUILD grant program for U ...

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

President Trump announced Wednesday that Transportation Secretary Sean Duffy will temporarily lead the National Aeronautics ...

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 ...

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

Trump withdrew Musk-ally and billionaire Jared Isaacman’s nomination for the NASA administrator role in May and has since ...