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.

LOS ANGELES -- Enthusiasts behind Elon Musk's "hyperloop" proposal -- an intercity tube that speeds passengers riding in capsules at 600 miles per hour -- have taken the next step, producing a report ...

Elon Musk built his reputation on turning improbable bets into working rockets and electric cars, but his tunneling venture is running into a different kind of gravity. Instead of a frictionless ...

Elon Musk certainly has a lot of ideas. Since making a fortune from PayPal in the original dotcom boom, he’s taken over Tesla ...

Elon Musk, founder, CEO and lead designer at SpaceX and co-founder of Tesla, speaks at the International Space Station Research and Development Conference in Washington, D.C., July 19, 2017. "Just ...

Beyond the weekend: Here's what is happening in CNY this week Here are some of the events happening in CNY this week. Camillus police arrest suspect after Sunoco robbery threat involving claimed ...

Elon Musk floated a Hyperloop idea over a decade ago. Could this Dutch company do it first? View on euronews ...