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 ...

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

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

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

Elon Musk lashed out at Transportation Secretary Sean Duffy on X Tuesday, after Duffy suggested NASA may sideline SpaceX from its moon mission.

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

Acting Administrator Sean Duffy calls out SpaceX’s Starship for falling 'behind schedule,' and suggesting that Blue Origin ...

Tech billionaire Elon Musk took a swing at acting NASA Administrator Sean Duffy on Tuesday, calling him “Sean Dummy” and ...

The SpaceX CEO took shots at Transportation Secretary Sean Duffy as Duffy and Jared Isaacman position themselves to lead the ...

SpaceX chief executive Elon Musk is ratcheting up his high-risk critique of NASA interim administrator Sean Duffy, a member ...

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