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

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

President Trump appointed Transportation Secretary Sean Duffy to serve as the acting head of NASA, filling a leadership gap ...

Sean Duffy, a lawyer and ex-congressman, is now interim NASA chief. Lacking a science background, he brings political loyalty ...