SpaceX founder and chief executive Elon Musk, left, shakes hands with Japanese billionaire Yusaku Maezawa, right, on Monday, after announcing that he will be the first private passenger on a trip around the moon.
People look at cars at a Tesla showroom in New York City. Tesla CEO Elon Musk, reportedly under scrutiny by federal regulators for earlier statements, says Saudi Arabia's sovereign wealth fund is looking to diversify away from oil with a bigger investment in the electric car company.
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Tesla Motors CEO Elon Musk is considering taking the company private, saying it would be less distracting that the "enormous pressure" of meeting quarterly financial targets.
An autonomous tank is demonstrated in France last month. Leading researchers in artificial intelligence are calling for laws against lethal autonomous weapons. They also pledge not to work on such weapons.
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Elon Musk said that "the fault is mine and mine alone," as he apologized to a British diver who had criticized Musk's offer of help in rescuing 12 boys and their soccer coach in northern Thailand. Musk had called him a "pedo," or pedophile.
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Tesla CEO Elon Musk called a British diver involved in the rescue of the Thailand soccer team "a pedo guy" on Twitter after the diver criticized the billionaire's minisubmarine plan.
An artist's rendering shows the design of an "electric skate" vehicle that the Boring Company says could travel up to 150 mph and whisk passengers to and from Chicago's O'Hare Airport in minutes.
The Boring Company
The contrail from a SpaceX Falcon 9 rocket is seen from Long Beach, Calif., more than 100 miles southeast from its launch site, the Vandenberg Air Force Base in California on Friday.
Weeks after Tesla founder Elon Musk and Gov. Ricardo Rossello spoke about the tech company aiding Puerto Rico, Tesla says it has restored electricity to a children's hospital, using solar energy and batteries.
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."