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 on Wednesday will detail the Trump administration's plans to overhaul the aging U.S.

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 ...

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

The president previously rescinded his nomination of Jared Isaacman as the space agency’s next leader, citing the ...