Some Trump administration officials, including at the White House, have expressed frustration with Transportation Secretary ...

After NASA's head indicated SpaceX could lose its moon lander contract, Elon Musk went on the attack on X against Sean Duffy.

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

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

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

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

Elon Musk criticized NASA’s acting chief Sean Duffy after the agency opened its Artemis III moon lander contract to SpaceX ...

“Sean Dummy is trying to kill NASA!” Musk wrote on X, which he also owns, using an insulting nickname to refer to the acting ...

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

NASA may drop SpaceX and choose a different contractor for the Artemis III moon landing, as delays mount with SpaceX's ...

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