As Elon Musk and President Donald Trump traded jabs on their rival social media platforms, their feud has escalated beyond a public spat, threatening billions of dollars in federal contracts and throwing the future of America's space program into question.

Elon Musk announced on Wednesday, May 28, that he is leaving his government role as one of President Donald Trump's top advisers. The Tesla CEO posted to X, sharing his decision to leave the Department of Government Efficiency (DOGE).

President Trump has threatened to cut the US government’s ties with Elon Musk’s businesses after the former “first buddy” fell out with the commander in chief. As Musk began slashing away at what he called government waste with the Department of Government Efficiency earlier this year,

The bizarre bromance between Elon Musk and Donald Trump is apparently over ― and the ramifications are being hilariously felt on social media. Musk helped Trump get elected and headed the president’s so-called Department of Government Efficiency project until recently.

Donald Trump and Elon Musk exchanged back-and-forth insults online after a disagreement over the president's spending bill. Here's a complete timeline of Donald Trump and Elon Musk's friendship, including why they are now feuding.

Vermont Sen. Bernie Sanders rejected the idea that Democrats should work with Elon Musk after the tech CEO's falling out with President Trump.

The broken alliance between the president and the world's richest man could threaten Musk's lucrative pending – and future – federal subsidies.

Elon Musk and his Department of Government Efficiency (DOGE) moved fast and broke things in Washington — and now Donald Trump's administration is left to clean up the mess. As the Washington Post reports,