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

We are trying to simplify and enhance our relationships with states so they can assume responsibility for environmental ...

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

Transportation Secretary Sean Duffy said a complete overhaul of the nation’s air traffic control system would cost roughly ...

A heated clash between Transportation Sec. Sean Duffy and Rep. Jerry Nadler (D-NY) turned a routine House budget hearing into ...

During her remarks in a House hearing this week, Representative Julia Brownley grilled Sean Duffy over SpaceX's work at the ...

Representative Jerrold Nadler of New York, a member of the House transportation committee, and Transportation Secretary Sean ...

Transportation Secretary Sean Duffy and Rep. Jerry Nadler D-NY) got into a heated exchange over the safety of public transit ...

A week after being named NASA’s new acting administrator, Secretary of Transportation Sean Duffy appears to be just getting ...

Transportation Secretary Sean Duffy and Rep. Jerry Nadler (D-N.Y.) butted heads on Wednesday over the safety of the New York City subway system and the accuracy of crime data statistics. In ...

U.S. Department of Transportation (DOT) Sec. Sean Duffy issued a warning to Mexico Saturday for allegedly breaking the 2015 U.S.-Mexico Air Transport Agreement.