Despite having rarely left the president’s side over the preceding few months, Musk was blindsided by the announcement, according to people familiar with the matter.

Sam Altman-run OpenAI on Saturday rejected billionaire Elon Musk’s offer to buy the nonprofit company for $97.4 billion. In a statement on X social media platform, Bret Taylor, Board Chair of OpenAI, ...

After helping President Trump get elected, Elon Musk was poised to dominate the country’s AI policies. Then Mr. Altman ...

On the first full day of the second Trump presidency, Elon Musk was in the White House complex when he got word that his ...