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.

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

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 ...

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

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

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

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

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

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