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

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

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

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

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

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

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