President Donald Trump says Transportation Secretary Sean Duffy’s work on modernizing air traffic control has prepared him to ...

In May, the president pulled his nomination of billionaire Jared Isaacman for the position days before his Senate vote.

U.S. Transportation Secretary Sean Duffy will dually serve as acting NASA administrator, President Donald Trump announced ...

At a time of turmoil and competing visions for the agency, it will be led by a Trump administration cabinet member.

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

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

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

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

The president previously rescinded his nomination of Jared Isaacman as the space agency’s next leader, citing the ...