U.S. Transportation Secretary Sean P. Duffy announces $6.2 billion investment in Ready Reserve Force to maintain maritime ...

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

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

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

Transportation Secretary Sean Duffy on Tuesday expressed his concerns about near misses at airports following a deadly plane ...

Six weeks after he terminated the nomination of Jared Isaacman to become NASA administrator, President Trump moved on ...

Transportation Secretary Sean Duffy is acting on a Trump executive order from April requiring English proficiency for ...

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

Transportation Secretary Sean Duffy is about to perform double duty after President Donald Trump named him interim head of ...

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.

Democratic Rep. Jerry Nadler of New York got into a fiery exchange with Transportation Secretary Sean Duffy on Tuesday over the safety of New York City subways during a House Transportation and ...