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

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

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

U.S. cuts $4 billion funding from California's High Speed Rail project, criticizing the CHSRA for mismanagement.

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

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

Transportation Secretary Sean Duffy is blasting the MTA over its handling of subway crime .

WASHINGTON — Transportation Secretary Sean Duffy unveiled a multi-billion dollar plan to overhaul the nation’s failing air traffic control system by 2028, following a deadly plane crash and ...

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