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

Elon Musk publicly criticized acting NASA administrator Sean Duffy after Duffy stated SpaceX was behind schedule on the Artemis III lunar landing...

Elon Musk referred to Sean Duffy, Trump's Secretary of Transportation, as "Sean Dummy." Terence Lewis/Icon Sportswire via Getty Images; AP Photo/Alex...

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

NASA is looking for new ideas for moon landers to help its astronauts return to the surface of the moon as progress for SpaceX's Starship megarocket...

NASA is getting ready to ditch SpaceX for its first attempt to deliver astronauts to the Moon’s surface in over half a century. As ,...

The tech billionaire...

SpaceX CEO Elon Musk suggested Transportation Secretary Sean Duffy was not smart enough to lead NASA after he threatened to pull a moon landing...

Blue Origin, owned by Jeff Bezos, and Lockheed Martin are among the contractors that may compete with Elon Musk’s company in the race back to the...

Blue Origin, owned by Jeff Bezos, and Lockheed Martin are among the contractors that may compete with Elon Musk’s company in the race back to the...