Transportation Secretary Sean Duffy is the latest Cabinet member to draw the ire of the Trump administration after pissing ...

Elon Musk has hammered acting NASA chief Sean Duffy repeatedly on social media over the past few days, calling him "Sean ...

Elon Musk is taking aim at the head of NASA amid news that the U.S. space agency may consider companies other than SpaceX to ...

Sean Duffy, the Secretary of Transportation and acting administrator of NASA, appeared on CNBC on Monday to say that SpaceX ...

Starship was NASA's vehicle of choice to land astronauts on the moon before NASA head Sean Duffy's latest move. Now, Musk is ...

The billionaire’s swipes at Sean Duffy are the latest example of his tangling with members of the Trump administration.

SpaceX Chief Executive Elon Musk hurled insults at NASA’s acting administrator a day after complaints SpaceX was behind ...

Acting NASA chief Sean Duffy and billionaire Elon Musk on Tuesday traded barbs online over who should lead the space agency, ...

Transportation Secretary Sean Duffy is reportedly in a power struggle with Jared Isaacman, an Elon Musk ally, over who will ...

Republican lawmakers are choosing sides as a battle looms over whether to allow Transportation Secretary Sean Duffy to remain ...

NASA acting administrator Sean Duffy suggested SpaceX may not be taking NASA to the moon. Experts said it’s unlikely another ...

Musk's company is behind schedule in developing its Starship rocket. NASA's interim leader, meanwhile, wants to put ...