From feuding to friends to feuding again, the relationship between the two billionaires has been turbulent, to say the least.

President Trump and Elon Musk exchanged public attacks Thursday over Republican tax legislation. The feud escalated when ...

Katie Miller, who followed the Tesla billionaire out of the Trump administration, has faced questions about her loyalties.

A new billionaire has seemingly entered MAGA world, and could be more powerful than exiled 'First Buddy' Elon Musk.