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 going on the offense.

Elon Musk has publicly criticized NASA's chief, Sean Duffy, questioning his competence to lead the space agency. Musk's ...

The tech billionaire has called Duffy ‘dangerously stupid’ and campaigned for SpaceX astronaut Jared Isaacman to replace him ...

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

Read about the online clash between Elon Musk and acting NASA Administrator Sean Duffy over SpaceX's involvement in the ...

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

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

Transportation Secretary and interim NASA Administrator Sean Duffy is reportedly gunning for the top space agency job.

Musk’s comments come one day after Duffy said he was in the process of reopening solicitations for a contract that had been ...

Transportation Secretary Sean Duffy joins 'Fox & Friends' with an update on NASA's plans to return to the moon and air ...