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.

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

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

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

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

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

A showdown is brewing for the top job at NASA. The Wall Street Journal on Tuesday reported that Sean Duffy, U.S.

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 ...

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