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

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

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 ...

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

A spat over the future of NASA under the Trump administration went public on Tuesday, with Elon Musk panning Transportation ...

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

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

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

CLEVELAND, Ohio - U.S. Transportation Secretary Sean Duffy visited Cleveland on Monday, touring facilities including the air ...

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

Not one to sit out a feud, SpaceX CEO Elon Musk didn't take lightly to interim NASA head Sean Duffy saying the firm is behind ...