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

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

President Donald Trump named Sean Duffy interim chief of the space agency. Duffy takes over from Janet Petro, who had served ...

It's been six months since 67 people were killed in a midair collision over the Potomac River, and now lawmakers say they are ...

S ean Duffy, the newly appointed acting NASA Administrator, was hit with a Community Note on Twitter after he attempted to ...

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

The NTSB on Wednesday will begin three days of hearings over the deadly midair collision in Washington, D.C., earlier this ...

Transportation Secretary Sean Duffy, the former Wisconsin congressman, is about to perform double duty after President Donald Trump named him to lead NASA on an interim basis. News of Duffy's ...

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 ...

Transportation Secretary Sean Duffy took a victory lap on Thursday, signing an agreement with the Texas Department of Transportation to allow the state greater authority over its own environmental ...

Duffy, also the Transportation Secretary, has no space background, but has been an MTV reality star and a congressman.

NASA has found itself without a full-time administrator since Bill Nelson stepped down on Jan. 20, the day of Trump's inauguration. Duffy's appointment also comes after billionaire Jared Isaacman's ...