Elon Musk Elon Musk

Artificial intelligence poses an existential risk to human civilization, Elon Musk (right) told the National Governors Association meeting Saturday in Providence, R.I. Stephan Savoia/AP hide caption

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Stephan Savoia/AP

Tesla and SpaceX CEO Elon Musk responds to a question by Nevada Republican Gov. Brian Sandoval during the third day of the National Governors Association's meeting on Saturday in Providence, R.I. Among other things, Musk warned governors that artificial intelligence poses a "fundamental risk to the existence of human civilization." Stephan Savoia/AP hide caption

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Stephan Savoia/AP

Emirati men check a Tesla vehicle during a ceremony in Dubai in February. The electric -vehicle maker recently announced the opening of a new Gulf headquarters in the United Arab Emirates. Karim Sahib/AFP/Getty Images hide caption

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Karim Sahib/AFP/Getty Images

Elon Musk has started a new company called Neuralink, in what's widely seen as a bid to add a symbiotic computer layer to the human brain. Susana Gonzalez/Bloomberg via Getty Images hide caption

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Susana Gonzalez/Bloomberg via Getty Images

SpaceX says its Falcon Heavy rocket, shown here in an artist's rendering, will be used in the mission to the moon. SpaceX hide caption

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SpaceX

SpaceX Announces Plans To Send Two Customers To The Moon

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SpaceX's Falcon 9 rocket sits on the launch pad Saturday at Kennedy Space Center in Florida. SpaceX scrubbed the Saturday launch due to a technical issue. The company is tried again — and succeeded — on Sunday. Bruce Weaver/AFP/Getty Images hide caption

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Bruce Weaver/AFP/Getty Images