How Elon Musk’s Sci-Fi Hyperloop Failed Before his misadventures in government efficiency, Musk promised to revolutionize commuting with a subway that would speed passengers between DC and Baltimore ...

As arguably the top titan of modern commerce, Elon Musk has owned his fair (or is that unfair?) share of companies over the ...

With Elon Musk close to claiming a new role as owner of Twitter after a winning bid to purchase it for $44 billion this week, ...

Add Yahoo as a preferred source to see more of our stories on Google. Photo Credit: iStock Elon Musk has been intermittently focused on building underground Tesla tunnels for nearly a decade.