The role of Elon Musk's SpaceX in an ambitious new U.S. missile defense system is in question following the dramatic feud last week between the billionaire entrepreneur and President Donald Trump, according to three people familiar with the project.

Two dozen venture capital firms and other investors are investing in xAI, the artificial intelligence and social media company.

Elon Musk says he regrets some of his jabs at Donald Trump and Rep. Mikie Sherrill and Jack Ciattarelli win their primaries for the New Jersey governor's race.

Elon Musk stepped back from his explosive feud with U.S. President Donald Trump, writing on X that he regrets some of his posts about his onetime ally.

But while everyday people grapple with the reality of this change, experts in the space continue to forecast what's to come — and some of it is so big it's challenging to wrap y

Elon Musk called President Donald Trump Monday night, two sources told CNN, before saying early Wednesday that he regrets some of his social media posts about the president during their very public blow-up last week.

Elon Musk says he regrets some of his recent criticisms of President Trump, in the wake of their public falling-out last week. Musk says some "went too far."

President Trump and Elon Musk traded social media barbs last week. Mr. Trump has said that he has no interest in repairing the relationship with his former adviser.

Elon Musk called President Donald Trump on Monday night, two sources familiar with the conversation told ABC News.

President Trump told reporters Thursday that he was "amazed" Elon Musk had endorsed him in the first place, given Trump's long-standing position on electric vehicles that would hurt Musk's company.