President Trump and tech billionaire Elon Musk’s feud spilled out in public on Thursday, with the world’s richest man and the world’s most powerful leader trading barbs that engulfed news cycles in Washington and abroad.

The friendship between Elon Musk and Donald Trump publicly unravelled on Thursday. Some of the business world's biggest names have weighed in.

Elon Musk alleged President Donald Trump's name is listed in classified files related to the financier and sex offender Jeffrey Epstein.

WASHINGTON -- The honeymoon appears to be over between President Donald Trump and billionaire Elon Musk. On Thursday, Musk mocked the president by reposting a tweet sent by Trump in 2013 criticizing Republicans at the time for wanting to increase the debt ceiling.

President Donald Trump signed an executive order raising tariffs on steel and aluminum imports to 50% on Tuesday afternoon.

Elon Musk just dissed President Donald Trump’s “big, beautiful bill,” calling it “massive, outrageous, [and] pork-filled.” Just a week ago, Musk left his post as unofficial head of the Department of Government Efficiency where he had originally promised to save the federal government $2 trillion.