The billionaire’s swipes at Sean Duffy are the latest example of his tangling with members of the Trump administration.

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 ...

NASA has suffered greatly since Trump was sworn in earlier this year, with leadership looking to slash budgets and reduce ...

Starship was NASA's vehicle of choice to land astronauts on the moon before NASA head Sean Duffy's latest move. Now, Musk is ...

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 ...

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

As the government shutdown crosses the three-week mark, Democrats are increasingly calling on President Donald Trump to get ...

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

SpaceX chief executive Elon Musk is ratcheting up his high-risk critique of NASA interim administrator Sean Duffy, a member ...

Billionaire entrepreneur Jared Isaacman has re-emerged as the front runner for NASA Administrator, but it appears Acting ...

Tech and electric car mogul Elon Musk launched his own online encyclopedia with his company xAI, calling it Grokipedia as a ...