Though Musk now describes himself as the “first buddy” of the president-elect, their friendship hasn’t always been smooth.

President Donald Trump's "first buddy," Elon Musk, was seemingly everywhere in D.C. on Inauguration Day. Where (and with whom) was the billionaire?

Among the guests at Donald Trump's second inauguration in Washington, D.C. today were three billionaire tech CEOs: Amazon's ...

Billionaire Trump advisor and donor Elon Musk's non-governmental "Department of Government Efficiency," or DOGE, is about to ...