This is CNBC's live coverage of Julia Boorstin's exclusive interview with Elon Musk, covering some of the biggest developments at SpaceX and Tesla. Elon Musk was scheduled to join CNBC on Friday for a ...

CNBC was left holding the bag on Friday when Elon Musk abruptly backed out of a live, heavily promoted interview moments ...

Elon Musk postponed a live interview Friday on CNBC just before it was set to begin – leaving tech journalist Julia Boorstin ...

The SpaceX CEO's fortune on paper now rivals the annual economic output of many countries, according to World Bank data.