President Donald Trump's threat to cancel Elon Musk's government contracts would have far-reaching implications, experts said ...

The worried reaction within space and national security agencies highlights the risks of government’s exclusive dependence on ...

The breakup of Donald Trump's unquenchable ego and Elon Musk's immense sense of self-importance pulled the curtain back on the GOP.

Donald Trump is not backing off his battle with Elon Musk. The president said Saturday that he has no desire to repair the ...

US space progress could slow down if US President Donald Trump canceled billions of dollars of SpaceX contracts with NASA and ...

Trump threatened 'very serious consequences' if Elon Musk finances challengers to Republicans who support his legislative priorities.

President Trump vowed his former friend Elon Musk will face “very serious consequences” should he choose to support the ...

Elon Musk stands to lose billions of dollars in his fight with President Donald Trump. The feud between Musk and Trump could ...

Trump says he was serious about ending Elon Musk's government contracts —and would do so if he thought it was in the interest ...

The president warned of “serious consequences” if Mr. Musk chose to back candidates against Republicans who supported his domestic policy bill.

Trump greeted several celebrities in attendance including former World Heavyweight Champion Boxer Mike Tyson and UFC ...