The defense secretary annoyed Donald Trump with a favor for Elon Musk. Hegseth’s problems only grew from there.

In a desperate attempt to exonerate himself of drug use allegations, Elon Musk actually just doxxed himself ... Defense ...

Musk to Force Pentagon to Build and Then Pay Him to Use ... (L-R) U.S. President-elect Donald Trump, Tesla CEO Elon Musk and Vice President-elect JD Vance attend the 125th Army-Navy ...

U.S. Defense Secretary Pete Hegseth met billionaire Elon Musk at the Pentagon on Wednesday, officials said, the second known time the close ally of President Donald Trump has visited the ...

The Pentagon is no longer requiring civilian employees to send emails listing out five things they accomplished each week, winding down an initiative driven partly by Elon Musk's Department of ...

WASHINGTON—Top Pentagon aides were developing a briefing for Elon Musk last month on more than two dozen highly classified weapons programs for fighting China until the department’s top lawyer ...

NASA and Pentagon officials moved swiftly this past week to urge competitors to Elon Musk’s SpaceX to more quickly develop alternative rockets and spacecraft after President Donald Trump ...

Under Musk's vision, the three companies would pool their talents to launch between 400 to 1,000 satellites to circle the globe, likely surveilling foreign ballistic installations for signs of action.

The Trump-Musk bromance has now experienced what SpaceX might euphemistically call a “rapid unscheduled disassembly.” ...

The president could tighten federal oversight of the tech titan’s businesses, even if heavy reliance by the Pentagon and NASA on them makes terminating Mr. Musk’s contracts less feasible.